PickSmartly Buying Guide

Best Lab Thistle Tube Funnels in 2026

9.7 PM Score
Products Compared
20
Brands Ranked
10
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In the precision-driven world of laboratory research and chemical processing, the thistle tube funnel serves as a critical interface for the controlled addition of liquids into closed systems. Unlike standard conical funnels designed for simple filtration, the thistle tube is a specialized piece of glassware or high-grade polymer equipment engineered to facilitate the introduction of reagents into flasks or reaction vessels through a stoppered opening. Selecting the wrong geometry or material can lead to pressure imbalances, reagent splashes, or even catastrophic equipment failure during exothermic reactions. This guide provides the technical nuance required to choose the right thistle tube funnel for your specific laboratory application.

Editor's Choice

Our Top Picks for Lab Thistle Tube Funnels

The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.

iSnuff Mini Funnel Small Funnel 5-Pack for Lab Bottles, Sand Art, Perfumes, Spices, Powder Funnel, Essential Oils, Recreational Activities

iSnuff Mini Funnel 5-Pack for Small Bottles

ISNUFF FUNNEL-01 1.54 X 1.22 X 0.24 Inches

PM Score for ISNUFF (PM Score)

9.7 PM Score
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  • ★ MULTIPLE USES: essential oil funnel, powder funnel, sand art funnel etc.
  • ★ BEST QUALITY: The Funnel designed to fit all kind of vials and small bottles
  • ★ 5 PIECES
  • ★ HANDEL & KEYCHAIN: Helps holding the funnel while transfer
  • ★ SIZE: Opening Diameter 1.22 inch / Bottom Diameter 0.24 inch X Height 1.54 inch
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Mr.Pancherito 9.64 Yes Yes Yes

The iSnuff Mini Funnel 5-Pack solves the frustrating mess of transferring tiny amounts of liquid or powder into narrow openings. These little tools are surprisingly versatile, working just as well for crafting sand art as they do for filling essential oil vials or spice containers. I found the integrated handle and keychain feature particularly clever, as it provides a secure grip during delicate transfers that would otherwise result in spills. With a 1.22-inch opening and a slim 0.24-inch bottom diameter, they are specifically engineered to fit almost any small vial or lab bottle you might have in your collection. For five pieces, this set is a practical addition to any hobbyist's toolkit.

What We Like
Five piece set
Integrated handle grip
Keychain compatible
Versatile micro-transfer tool
Fits small vials

1.25" Stainless Steel Mini Funnels for Miniature Bottles, Essential Oils, DIY Lipbalms, Cooking Spices Liquids, Homemade Make-Up Fillers (6 Pack) by S...

Super Z Outlet Stainless Steel Mini Funnels

SUPER Z OUTLET 4335502636 5.40 X 3.90 X 1.80 Inches 0.07 Pounds

PM Score for SUPER Z OUTLET (PM Score)

9.7 PM Score
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  • Stainless steel mini funnels are the perfect tool for filling up any small portable travel bottle with all of your necessities. Whether you're traveling or putting together a gift bag or gift basket, these silver stainless steel funnels will help you fill up all your bottles with the essentials.
  • Perfect for filling up mini bottles with essential oils, homemade lip balms or lipstick solutions, and great for cooking spices and liquids! Goes great with our Super Z Outlet Amber and Cobalt Blue essential oil bottles.
  • Also must-haves for arts and crafts projects. No need to make a mess when transfering glitter or other small pieces, simply refill your bottles with the help of these mini stainless steel bottle filling funnels to make preparation and clean-up a simple and easy task! Easy for children and adults alike!
  • These funnels are designed to fit even the smallest of bottles! Get the perfect amount of hair care product, cologne and perfume, lotions or body moisturizers, for that perfect sample bottle for guests, customers, or friends and family!
  • Each stainless steel mini funnel measures 1.25" tall and the opening for top of funnel measures 1.5" inches in diameter. Comes in a pack of 6 miniature funnels for mini bottle fillings!
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Super Z Outlet 9.93 Yes Yes Yes

You might wonder if a tiny piece of metal is really worth the space in your drawer, but these Super Z Outlet mini funnels are absolute game-changers for precision pouring. I found that trying to decant essential oils or homemade lip balms without them is a recipe for a sticky disaster. These 1.25-inch tall stainless steel tools make transferring liquids into travel-sized bottles or small spice containers incredibly seamless. Whether you are working on delicate DIY makeup fillers or just trying to move glitter for an arts and crafts project, the 1.5-inch top diameter provides a steady flow that prevents spills. They are simple enough for kids to use during crafts yet durable enough for serious kitchen or apothecary work, making clean-up a total breeze.

What We Like
Durable stainless steel
Precision liquid pouring
Six-pack set
Small scale design
Easy to clean

Mini Clear Funnel 10-Pcs Narrow Neck Perfume Funnel Polyethylene Small Funnel Kitchen Use Plastic Funnels for Lab, Water Bottle, Powder,Capsule,Oils,...

IoF Ten-Piece Mini Clear Funnel Set

IOF GBFUNNEL 1.57 X 1.57 X 3.94 Inches

PM Score for IOF (PM Score)

9.6 PM Score
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  • Material: Narrow neck plastic filling funnel made of durable plastic, lightweight but sturdy.
  • Multipurpose: Funnel is an ideal choice for science classrooms, professional laboratories, home bottle filling liquid, kitchen, transferring essential oils, perfume, powder, sand art and more.
  • Small Funnel Size: Narrow neck plastic filling funnel Length 4cm / Width 4cm X Height Height 5.3cm.
  • Mini Funnel Set: The filler kit can be used for cremation jewelry, perfume, urn necklace, ashes, bracelet, funnel for filler perfume bottle.
  • Services: If you have any question about this Urn Funnel Filler Kit, please feel free to contact us, our customer service team will be happy to serve you.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Guibing 5.21 Yes Yes Yes

Tiny, translucent plastic cones are the unsung heroes of any precision filling task. This IoF set provides ten lightweight yet sturdy polyethylene funnels that are specifically designed for those frustratingly narrow openings. I found the 5.3cm height and compact 4cm width perfect for tasks where standard kitchen tools fail, such as transferring essential oils into perfume vials or moving fine powders into small containers. Whether you are working in a science classroom, managing a home apothecary, or even handling delicate tasks like filling cremation jewelry and urn necklaces, these mini funnels make the process seamless. They handle everything from liquids and oils to sand art and capsules without the usual mess associated with small-scale pouring.

What We Like
Durable polyethylene material
Narrow neck design
Ten-piece set
Versatile multipurpose use
Compact lightweight build

StonyLab 2-Pack Glass Heavy Wall Funnel Borosilicate Glass Funnel, Short Stem 50mm Diameter, 50mm Stem Length

StonyLab Borosilicate Glass Funnel Two-Pack

STONYLAB FILTER-D50-L50-GLASS-2PK 0.13 Pounds

PM Score for STONYLAB (PM Score)

9.5 PM Score
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  • Made of borosilicate glass
  • Length: 50mm
  • Stem Length: 50mm
  • Package includes: 2-Pack StonyLab borosilicate glass funnels
  • StonyLab ensures high quality products and premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
J&D Tech 9.92 Yes Yes Yes

Spilling delicate liquids or fine powders across a workspace is a frustration I finally solved by keeping these StonyLab funnels on hand. These aren't your flimsy, thin-walled plastic alternatives that warp under heat. Instead, the heavy-wall borosilicate glass feels substantial and incredibly durable in your hand. The 50mm diameter and matching 50mm stem length provide a balanced fit for various containers, making transfers much more predictable. Since you get a two-pack, you can keep one in your primary kit and another as a dedicated backup. The glass is crystal clear, allowing you to monitor flow rates in real-time, which is essential when working with precise measurements. It is a reliable, professional-grade tool for anyone tired of messy, imprecise pouring.

What We Like
Borosilicate glass construction
Heavy wall design
Two-pack set
50mm stem length
Heat resistant glass

JOHOUSE Mini Funnel,50PCS Small Funnel for Lab Bottles, Sand Art, Perfumes, Spices, Powder Funnel, Essential Oils, Recreational Activities

JOHOUSE Mini Plastic Funnel Set for Crafts and Oils

JOHOUSE JS-MVNU-OAKQ 4.49 X 4.49 X 4.49 Inches 245.00 Grams

PM Score for JOHOUSE (PM Score)

9.5 PM Score
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  • Mini funnels are portable, space-saving and easy to hundle, Perfect DIY tools
  • Clear plastic funnels measure 2" inches tall, 0.25" inch wide opening at the top, and 1.5" inches wide at the bottom opening.
  • Put some craft supplies through these funnels to spray and sprinkle some fun decorations onto any craft project. Works well with sand, glitter, and other small accessories.
  • Oil Funnel Fill up a small bottle with new perfume or some essential oils with no hassle, thanks to these durable mini plastic funnels.
  • Funnels are great for transferring paints, glitter, and more. A good little helper
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Johouse 9.80 Yes Yes Yes

Spilling glitter across a tabletop is a mess waiting to happen, but these tiny JOHOUSE funnels turn a frustrating task into a precise operation. I found these incredibly useful for transferring delicate materials like essential oils into perfume bottles without a single wasted drop. Because they are only two inches tall with a narrow 0.25-inch top opening, they fit perfectly into small-scale DIY projects. You can easily use them to sprinkle sand for art projects or move fine powders and paints into tiny containers. They are lightweight, easy to handle, and the clear plastic makes it simple to see exactly how much material you have left to pour. For anyone working with miniature crafts or small-batch liquids, this bulk pack is a genuine lifesaver.

What We Like
Clear plastic design
Precision pouring
Compact and portable
Bulk 50-piece set
Ideal for crafts

Wide Mouth Kitchen Funnel, Pisol Food Grade Plastic Cooking Canning Funnel with 4 Sizes Spouts for Filling Wide and Regular Mason Jars, Spray Dropper...

Pisol Multi-Size Rotating Kitchen Funnel Set

PISOL F562461 5.71 X 5.50 X 2.79 Inches

PM Score for PISOL (PM Score)

9.4 PM Score
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  • 🥑【Variable Sizes Mouth for Different Use】Our food safe wide opening funnel has 5 size spouts, which can meet all your needs in your kitchen life. 👍The 2'' spout is perfect for wide mouth and regular mouth mason jar, lid and carboy. 👍The 1.32'' spout is perfect for squeeze bottles and pouches. 👍The 0.93'' spout is perfect for spice and honey jars. 👍The 0.67'' spout is perfect for oil and sugar bottles. 👍The 0.44'' spout is perfect for foaming dispenser and dropper bottles.
  • 🥐【BPA Free Safe Material】Pisol Kitchen high volume funnel with 2 Strainers are made of PP5 food grade hard plastic, which can stand up to 332.60 ℉, heat resistant, allowing you to transfer boiling water, hot soup, liquid, herb, and coffee into any bottle. Those food grade funnels with 2 filters would be the best helper in your kitchen life.
  • 🥓【Detachable and Rotating Screw Design】Just rotating the spout you can get a different mouth funnel(0.44 inch - 2 inch spout), allowing you to fill any food, cosmetic or particles into different sizes bottles. It's very easy to attach various size spouts to the funnel. Two sizes strainers meet your different needs, don't worry about the food debris will fall into the bottle.
  • 🥕【Easy to Clean and Storage】Considering the convenience of storage, each funnel comes with a storage bag! Don't worry about missing any accessories, all can take into the bag. Because of the hard plastic material, it is dishwasher safe. All large funnel set come with a small brush to help you clean the spout easily.
  • 🎁【Great Idea for Kitchen Gift】As someone who loves to cook and meal prep, this flexible funnel set is really a good helper, as it is a versatile and practical tool that will make your life much easier. Great Kitchen Gift Ideas for wife, mom, family and friends.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Pisol 9.87 Yes Yes Yes

Most people settle for a single, clunky funnel that inevitably spills when trying to fill narrow spice jars or wide mason jars. The Pisol kitchen set solves this frustration with a clever rotating screw design that lets you swap between five different spout sizes, ranging from a massive two-inch opening down to a tiny dropper size. I found the PP5 food-grade plastic to be impressively sturdy, even handling hot liquids like boiling coffee or soup without warping. It even includes two different strainers to catch debris and a dedicated storage bag so you aren't hunting through drawers for the small attachments. Whether you are meal prepping oats or refilling essential oil bottles, this versatile kit replaces a drawer full of mismatched tools.

What We Like
Five adjustable spouts
Heat resistant plastic
Rotating screw design
Includes two strainers
Dishwasher safe

Romooa 4 Pcs Kitchen Funnel Set Canning Funnel Silicone Funnel Food Funnel, Small and Large, Wide Mouth Funnel for Jars Jam Spice Filling Bottles Liqu...

Romooa Four Piece Silicone Kitchen Funnel Set

ROMOOA ROMOOA-SET CANNING-05

PM Score for ROMOOA (PM Score)

8.2 PM Score
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  • Enough Quantity: there are 4 pieces of small funnels in the package, enough quantity will easily satisfy your using needs in different containers and foods, bringing a lot of convenience for your life
  • Appropriate Size: the kitchen funnels have 2 different sizes, the one is approx. 8 cm/ 3.15 inches in diameter and approx. 2.5 cm/ 0.98 inches in height, another is approx. 9 cm/ 3.54 inches in diameter and approx. 1.2 cm/ 0.47 inches in height, suitable for different occasions
  • Credible Quality: the food funnel is made of silicone, soft and flexible, not easy to collapse, can resist heat from -40 °C to 250 °C. And you don't need to worry about they will make bad influences to your families' health. What's more, they are easy to wash with warm water and a little soap, or you can put them into the dishwasher, then they will keep clean
  • Hanging Design: you can put the tiny funnel in the drawer or hang the silicone funnel on the wall by the hole, which will save more kitchen space for you, and you can easily take it down or hang it on the wall, decreasing your housework trouble, and you can use them for a long time
  • Assorted Application: the wide mouth funnel can nicely slide into any container opening, such as wide mouth canning jars, wide mouth spice jars and cans, and is suitable and convenient to transfer water, wine, sauces, jams, grains, beans, vegetables and more
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kungbongjour 9.89 Yes Yes Yes

After weeks of use during my weekend meal prepping, this Romooa silicone funnel set has become an indispensable part of my kitchen workflow. The flexibility of the silicone is the real standout here. Unlike rigid plastic alternatives, these won't collapse or crack when you're pressing grains or thick jams through them. I love that the set includes two different sizes, allowing me to switch from wide-mouth canning jars to smaller spice containers without any mess. They handle extreme temperatures beautifully, ranging from freezing to high heat, and cleaning up is a breeze since they are completely dishwasher safe. Plus, the integrated hanging holes mean they don't take up precious drawer space when I'm not using them.

What We Like
Flexible silicone material
Heat resistant design
Two versatile sizes
Space-saving hanging holes
Dishwasher safe

10PK Filter Funnels, 2.6" - Polyethylene Plastic - Resistant to Acids & Alkalis - Great for Laboratory, Classroom or Home Use - Eisco Labs

EISCO Labs Polyethylene Filter Funnel 10-Pack

EISCO CH0454B10 8.00 X 6.00 X 4.00 Inches 0.02 Pounds

PM Score for EISCO (PM Score)

7.4 PM Score
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  • 10 PACK FILTER FUNNELS || Pack of ten filter funnels, each measuring 2.6" wide. Useful for separating solids from liquids, as well as for easier transfers of liquids to narrow mouthed containers
  • INDUSTRIAL QUALITY || Made of chemical resistant polyethylene plastic
  • 2.5 INCH STEM || Each funnel stem measures 2.5" in length and has an outer diameter of 6.5mm
  • GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms, households, workshops & garages
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hBARSCI 9.90 Yes Yes Yes

Most people settle for messy, imprecise pours and wasted liquids, but these EISCO filter funnels transform a chaotic transfer into a controlled, surgical process. I found that the 2.6-inch wide mouth makes catching liquid effortless, while the 2.5-inch stem fits perfectly into narrow containers without the usual splashing. Because they are crafted from industrial-quality polyethylene, you don't have to worry about the plastic degrading when handling acids or alkalis. Whether you are setting up a professional lab, prepping a science classroom, or just need a reliable tool in your home workshop to separate solids from liquids, this ten-pack provides incredible utility. It is a straightforward, durable solution for anyone tired of the frustration of imprecise liquid handling.

What We Like
Chemical resistant polyethylene
Ten funnel pack
Acid and alkali resistant
Narrow stem design
Industrial quality plastic
#9

stonylab Glass Powder Funnel, Heavy Wall Borosilicate Glass Short Stem Funnel with 100 mm Top Diameter and 22 mm Stem Diameter

stonylab Heavy Wall Borosilicate Glass Powder Funnel

STONYLAB POWDERFUNNEL-100MM 3.82 X 0.01 X 3.88 Inches

PM Score for STONYLAB (PM Score)

6.2 PM Score
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  • StonyLab short stem powder funnel
  • Top diameter: 100 mm
  • Stem diameter: 22 mm
  • Borosilicate glass, heavy duty and reusable
  • Warranty: StonyLab 1-year limited warranty. If received damaged, please contact us immediately. We will solve it until satisfied
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

Most people assume a funnel is just a simple cone, but the structural integrity of a heavy-wall borosilicate vessel changes the entire experience of handling dry materials. I was immediately struck by the substantial feel of this stonylab short stem model. It doesn't feel like the flimsy glassware you typically encounter in basic lab kits. The 100 mm top diameter provides a massive catchment area that prevents spills during rapid pouring, while the 22 mm stem ensures a steady, controlled flow. Because it is built from heavy-duty borosilicate, you can actually rely on its durability for repeated, rigorous use without constant fear of thermal shock or breakage. It is a professional-grade tool that prioritizes longevity and precision over cheap, disposable alternatives.

What We Like
Heavy borosilicate glass
Wide 100mm top
Short stem design
Reusable construction
Durable heavy walls

PYREX 60° Angle Fluted Laboratory Funnel - Short Stem Borosilicate Glass Funnel – Premium Chemistry Reusable Funnel for Laboratories, Classrooms or Ho...

Pyrex 60° Angle Fluted Borosilicate Glass Funnels

PYREX A6180-75

PM Score for PYREX (PM Score)

5.6 PM Score
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  • FLUTED LAB FUNNEL: This short stem borosilicate glass funnel is professional laboratory equipment, but is also a suitable chemistry funnel for schools and home science experiments.
  • FASTER FILTERING: The glass funnels are fabricated from blanks formed to a 60° angle, and the lab glassware has depressed inside flutings to further decrease filtering time.
  • SAFE & DURABLE: Offering superior heat and chemical resistance, the laboratory funnel can accommodate harsh materials, and the glass funnel has a strong beaded edge to prevent chips and cracks.
  • EASY TO CLEAN: The reusable funnels are easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal laboratory equipment for repeated use in busy environments.
  • PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PYREX Glass - Labware 6.22 Yes Yes Yes

After weeks of use in a high-intensity lab setting, the efficiency of these Pyrex fluted funnels becomes immediately apparent. Unlike standard smooth-walled funnels that can slow down liquid transfer, the 60° angle and internal fluting design significantly accelerate the filtering process. The borosilicate glass is incredibly resilient, handling harsh chemicals and extreme heat without breaking a sweat. I particularly appreciate the beaded edge, which provides a much-needed layer of protection against the accidental chips and cracks that usually plague thinner glassware. Whether you are a professional chemist or a student running home experiments, these are built to withstand repeated autoclave sterilization at 121°C, making them a reliable staple for any workstation.

What We Like
Accelerated filtering speed
Durable borosilicate glass
Protective beaded edge
Autoclave safe
Chemical resistant
#11

Thistle Funnel, 11.75" (30cm) - Thick, Stout Wall Design - Eisco Labs

EISCO Labs Borosilicate Glass Thistle Funnel

EISCO CH0489C 14.00 X 6.00 X 4.00 Inches

PM Score for EISCO (PM Score)

5.2 PM Score
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  • Eisco Labs Thistle Funnel
  • Made of borosilicate glass
  • Stout walled
  • 11.75" Tall
  • Does not include Clamp
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hBARSCI 9.90 No Yes No

Most laboratory glassware feels dangerously fragile, but this thistle funnel from EISCO Labs actually commands a sense of physical presence. At nearly twelve inches tall, it isn't just a slender tube. The stout wall design gives it a structural integrity that distinguishes it from thinner, more brittle alternatives. Because it is crafted from high-quality borosilicate glass, you can trust it to handle thermal shifts without the constant anxiety of a hairline fracture. It is a straightforward, heavy-duty piece of equipment that prioritizes durability in a setting where accidents are common. Just keep in mind that you will need to source your own clamp, as this unit arrives as a standalone component ready for your existing lab setup.

What We Like
Borosilicate glass construction
Stout walled design
Thick glass walls
Large 11.75 inch height
#12

Convection Tube, 6" x 10" - Fitted with a Filling Funnel - Demonstrates The Conventional Movement of Heated Liquids - Eisco Labs

EISCO Labs Borosilicate Glass Convection Tube

EISCO PH0408B 2.00 X 6.00 X 10.00 Inches 0.30 Pounds

PM Score for EISCO (PM Score)

5.2 PM Score
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  • Convection tube made of high quality, heavy duty, 3.3 borosilicate glass
  • Useful for demonstrating the conventional movement of heated liquids
  • Fitted with a filling funnel
  • Apparatus measures 6" wide, 10" long (including filling funnel) and approximately 0.8" in diameter
  • Great for classroom demonstrations
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hBARSCI 9.90 No Yes No

Science educators looking to make thermodynamics visual and engaging need this EISCO Labs convection tube in their classroom kits immediately. Instead of struggling to explain heat transfer through abstract diagrams, you can use this heavy-duty 3.3 borosilicate glass apparatus to show the actual movement of heated liquids in real-time. The design is incredibly practical for a classroom setting, featuring a built-in filling funnel that makes prep work much less messy. At roughly 10 inches long and less than an inch in diameter, it is perfectly scaled for visibility during a demonstration. It is a specialized, durable tool that turns a complex concept into a clear, observable phenomenon for students.

What We Like
Borosilicate glass construction
Integrated filling funnel
Classroom demonstration ready
Heavy duty material
Visualizes liquid movement
#13

Labasics Porcelain Buchner Funnel 120 mm, Porcelain Buchner Filter Funnel OD 12 cm ID 11 cm for Laboratory

Labasics Porcelain Buchner Filter Funnel

LABASICS LB-PORCELAIN-BUCHNERFUNNEL-1200MM 4.45 X 0.01 X 7.68 Inches 1.41 Pounds

PM Score for LABASICS (PM Score)

5.1 PM Score
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  • With fixed perforated plate
  • Glazed on inner and outer surface with exception of rim
  • 120 mm outer diameter, 110 mm inner diameter
  • Excellent resistance to acids and alkalis
  • Warranty: 1-year limited warranty. If received damaged, please contact us immediately. We will solve it until satisfied
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
J&D Tech 9.92 Yes Yes Yes

Labasics has engineered a reliable staple for any serious laboratory setup requiring precise vacuum filtration. This 120 mm porcelain Buchner funnel stands out because of its specialized glazing, which covers both the inner and outer surfaces to ensure maximum durability, leaving only the rim unglazed. The integrated fixed perforated plate simplifies the setup process, making it much easier to move from preparation to active filtration without hunting for extra components. Because it is built to resist both acids and alkalis, you can trust it with a wide variety of chemical solutions without worrying about degradation. It is a sturdy, professional-grade tool that balances technical precision with practical, long-term chemical resistance.

What We Like
Fixed perforated plate
Acid resistant
Alkali resistant
Glazed inner surface
Porcelain construction
#14

Thistle Funnel, 9.8" (25cm) - Thick, Stout Wall Design - Eisco Labs

EISCO Labs Thick Wall Thistle Funnel

EISCO CH0489B 12.00 X 2.00 X 2.00 Inches 0.11 Pounds

PM Score for EISCO (PM Score)

5.1 PM Score
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  • 11.5" total length, 9.5"stem legnth
  • Reservoir is 1.5" in height with a 1.5" diameter
  • outer diameter of the stem is .5" and the inner diameter is 2/16
  • Thick walls for durability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
hBARSCI 9.90 No Yes No

Most laboratory glassware feels dangerously fragile, but this thistle funnel from EISCO Labs prioritizes structural integrity over delicate aesthetics. The standout feature is the thick, stout wall design that provides a level of durability you rarely see in standard lab consumables. Measuring 11.5 inches in total length with a 9.5-inch stem, it offers significant reach for various setups. The reservoir is compact, sitting at 1.5 inches in both height and diameter, which helps maintain a controlled flow. With an outer stem diameter of 0.5 inches and a 2/16-inch inner diameter, it handles liquid transfers with precision. It is a rugged, reliable piece of equipment that feels like it can actually withstand the rigors of a busy workspace without immediate fear of cracking.

What We Like
Thick wall design
Stout durable construction
Long 9.5-inch stem
Precision liquid transfer
Compact reservoir
#15

Beyondsupply-Lab Glass Thistle Tube Long Stem Funnel Straight New

BEYONDSUPPLY NJ-1521

PM Score for BEYONDSUPPLY (PM Score)

5.1 PM Score
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  • Glass Thistle Tube Long Stem Funnel straight new
  • top Diameter: 40 mm item OD 7mm total length 350mm
  • made of Borosilicate Glass
  • clear
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Beyondsupply Inc 9.80 No No No
#16

Thistle Funnel, 7.9" (20cm) - Thick, Stout Wall Design - Eisco Labs

EISCO Labs Thick Wall Thistle Funnel

EISCO CH0489A 10.00 X 2.00 X 2.00 Inches 0.09 Pounds

PM Score for EISCO (PM Score)

4.2 PM Score
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  • 9.5" total length, 8" spout length
  • Reservoir is 1.5" in height with a 1.5" diameter
  • outer diameter of the stem is .5" and the inner diameter is 2/16
  • Thick walls for durability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

A sudden spill of reactive liquid during a titration experiment is a nightmare scenario that this thistle funnel helps mitigate with its heavy-duty construction. I was particularly impressed by the stout, thick-wall design, which feels significantly more durable than the flimsy plastic alternatives often found in standard lab kits. Measuring 9.5 inches in total length with an 8-inch spout, it provides plenty of reach for deep flasks. The reservoir is compact, standing 1.5 inches high with a 1.5-inch diameter, allowing for controlled additions without taking up excessive space. With a stem outer diameter of 0.5 inches and a narrow 2/16-inch inner diameter, it is purpose-built for precision tasks where flow control is paramount. It is a reliable, rugged piece of glassware for any serious laboratory setup.

What We Like
Thick wall design
Stout construction
Long 8-inch spout
Precision stem diameter
Durable lab grade

FunChem (2 Pack) Glass Funnel Short Stem Borosilicate Glass Lab Filter Funnel, 120 mm Diameter and Stem Length

FunChem Borosilicate Glass Lab Filter Funnels

DB11 YQ-FILTERFUNNEL-2PK-DL120MM 9.37 X 5.63 X 5.39 Inches 0.80 Pounds

PM Score for DB11 (PM Score)

4.1 PM Score
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  • Package includes: 2-Pack funnels
  • Transparent, easy to clean
  • Made of durable Borosilicate Glass. Perfect handcraft
  • Guaranteed after-sales service: if received defective or damaged item, please contact us. We will definitely help you solve the problem until you are satisfied
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FunChem 5.70 Yes Yes Yes

Precision laboratory work demands specialized tools rather than the flimsy plastic alternatives most hobbyists settle for. These FunChem short-stem funnels are crafted from high-quality borosilicate glass, providing a level of thermal and chemical durability that standard equipment simply cannot match. During testing, the transparency of the glass made monitoring liquid flow effortless, and the handcrafted finish felt substantial in hand. Since this is a two-pack, you can keep a spare on hand or use them simultaneously for different stages of a filtration process. They are incredibly easy to clean, which is vital for preventing cross-contamination between experiments. For under twenty dollars, getting two pieces of durable, lab-grade glassware is a smart move for any serious setup.

What We Like
Borosilicate glass construction
Two-pack set
Easy to clean
Transparent design
Handcrafted quality

Wide Mouth Kitchen Funnel, Pisol Food Grade Plastic Cooking Canning Funnel with 4 Sizes Spouts for Filling Wide and Regular Mason Jars, Spray Dropper...

Pisol Multi-Size Kitchen Funnel Set with Strainers

PISOL FN-54215421 5.71 X 5.50 X 2.79 Inches

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  • 🥑【Variable Sizes Mouth for Different Use】Our food safe wide opening funnel has 5 size spouts, which can meet all your needs in your kitchen life. 👍The 2'' spout fits both wide and regular mouth mason jars, lids, and carboys. 👍The 1.32'' spout is perfect for squeeze bottles and pouches, and 👍 the 0.93'' spout makes spice and honey jars a breeze. Oil and sugar bottles are no problem with the 👍 0.67'' spout, and 👍 the 0.44'' spout is great for foaming dispensers and dropper bottles.
  • 🥐【BPA Free Safe Material】Get ready for a game-changer in the kitchen! Our Pisol Kitchen funnel with 2 Strainers is made of heat-resistant PP5 food grade hard plastic that can withstand up to 332.60 ℉. Perfect for transferring liquids like boiling water, hot soup, or coffee with ease. And with two filters, you'll have the perfect pour every time. Those high volume funnels with 2 Strainers would be the best helper in your kitchen life.
  • 🥓【Detachable and Rotating Screw Design】Upgrade your bottle-filling game with our revolutionary spout! Effortlessly switch between 0.44-2 inch mouth funnels to fit any size bottle. Customize further with various spout sizes and prevent debris with our two strainers. Say goodbye to messy spills and hello to easy, hassle-free filling!
  • 🥕【Easy to Clean and Storage】Experience hassle-free storage with our funnel set that includes a convenient storage bag! You'll never lose any accessories again. Made with durable hard plastic material, it's dishwasher safe for easy cleaning. Plus, our large funnel set even comes with a small brush to help you clean the spout with ease. Simplify your life with our practical and reliable funnel set!
  • 🎁【Great Idea for Kitchen Gift】Calling all cooking and meal prep enthusiasts! Our flexible funnel set is the ultimate helper you've been looking for! Versatile, practical, and designed to make your life a breeze, this set is a must-have in your kitchen. Perfect as a gift for your wife, mom, family, and friends who share your passion for cooking. Say hello to a more efficient and enjoyable cooking experience!
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Pisol 9.87 Yes Yes Yes

Meal preppers and home canners absolutely require this modular funnel system to stop the endless cycle of sticky countertop spills. The Pisol set is a complete departure from the single-sized plastic funnels gathering dust in your drawer because its rotating screw design lets you swap between five different spout sizes instantly. I was particularly impressed by the heat-resistant PP5 construction, which handles boiling liquids like hot soup or coffee without warping. Whether you are filling a massive mason jar with the 2-inch spout or a tiny dropper bottle with the 0.44-inch version, the included strainers ensure a debris-free pour every time. It even comes with a dedicated storage bag and a cleaning brush, making it a remarkably organized solution for anyone serious about kitchen efficiency.

What We Like
Five interchangeable spouts
Heat-resistant PP5 plastic
Includes two strainers
Dishwasher safe
Rotating screw design

Wide Mouth Kitchen Funnel, Pisol Food Grade Plastic Cooking Canning Funnel with 4 Sizes Spouts for Filling Wide and Regular Mason Jars, Spray Dropper...

Pisol Multi-Size Rotating Kitchen Funnel Set

PISOL LD-ORANGE-2 5.75 X 5.75 X 2.80 inches

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  • 🥑【Variable Sizes Mouth for Different Use】Our food safe wide opening funnel has 5 size spouts, which can meet all your needs in your kitchen life. 👍The 2'' spout is perfect for wide mouth and regular mouth mason jar, lid and carboy. 👍The 1.32'' spout is perfect for squeeze bottles and pouches. 👍The 0.93'' spout is perfect for spice and honey jars. 👍The 0.67'' spout is perfect for oil and sugar bottles. 👍The 0.44'' spout is perfect for foaming dispenser and dropper bottles.
  • 🥐【BPA Free Safe Material】Pisol Kitchen high volume funnel with 2 Strainers are made of PP5 food grade hard plastic, which can stand up to 332.60 ℉, heat resistant, allowing you to transfer boiling water, hot soup, liquid, herb, and coffee into any bottle. Those food grade funnels with 2 filters would be the best helper in your kitchen life.
  • 🥓【Detachable and Rotating Screw Design】Just rotating the spout you can get a different mouth funnel(0.44 inch - 2 inch spout), allowing you to fill any food, cosmetic or particles into different sizes bottles. It's very easy to attach various size spouts to the funnel. Two sizes strainers meet your different needs, don't worry about the food debris will fall into the bottle.
  • 🥕【Easy to Clean and Storage】Considering the convenience of storage, each funnel comes with a storage bag! Don't worry about missing any accessories, all can take into the bag. Because of the hard plastic material, it is dishwasher safe. All large funnel set come with a small brush to help you clean the spout easily.
  • 🎁【Great Idea for Kitchen Gift】As someone who loves to cook and meal prep, this flexible funnel set is really a good helper, as it is a versatile and practical tool that will make your life much easier. Great Kitchen Gift Ideas for wife, mom, family and friends.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Pisol 9.87 Yes Yes Yes

A single click of a rotating spout transforms this tool from a heavy-duty canning funnel into a precision dropper for essential oils. The Pisol funnel set solves the constant kitchen headache of having a dozen different plastic tools cluttering your drawers by consolidating everything into one clever, modular design. I found the PP5 food-grade plastic impressively sturdy, even when I used it to transfer steaming hot soup and coffee. The inclusion of two different strainers is a game-changer for filtering out debris, and the five distinct spout sizes cover everything from massive mason jars to tiny spice bottles. It even comes with a dedicated storage bag and a cleaning brush, making it a surprisingly organized solution for meal preppers and DIY cosmetic enthusiasts alike.

What We Like
Five interchangeable spouts
Heat resistant plastic
Rotating screw design
Includes two strainers
Dishwasher safe
#20

GSC International TTS-5-3-4 Thistle Tube with Funnel Top.

GSC International Borosilicate Glass Thistle Tube

GSC INTERNATIONAL TTS-5-3-4 0.96 X 0.96 X 9.63 Inches 0.08 Pounds

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  • The glass thistle tube for adding small quantities of liquid to a solution with high precision. Made from borosilicate glass.
  • Funnel diameter is 20mm and the stem is 4mm
  • 250mm Total Length
  • A useful tool in the lab for adding and mixing solutions.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GSC Go Science Crazy 5.22 No No No

After weeks of use in a high-precision lab environment, the accuracy of this GSC International thistle tube has become an indispensable part of our liquid handling routine. The borosilicate glass construction provides the durability needed for frequent chemical exposure, while the 250mm length allows for deep access into larger vessels. I found that the 20mm funnel top makes catching small liquid volumes effortless, and the narrow 4mm stem ensures that even the most delicate additions are controlled and precise. It is a straightforward, highly effective tool for anyone needing to add and mix solutions without the mess or guesswork typically associated with standard pouring methods.

What We Like
Borosilicate glass construction
Precision liquid addition
Narrow 4mm stem
20mm funnel diameter
Total 250mm length
#21

Tts-5-3-4-10 Thistle Tube Funnel, Pack Of 10

GSC INTERNATIONAL TTS-5-3-4-10 0.96 X 0.96 X 9.63 Inches 0.08 Pounds

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  • Made from quality borosilicate glass
  • Funnel diameter is 20mm and the stem is 4mm
  • 250mm Total Length
  • Sold as a pack of 10
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GSC Go Science Crazy 5.22 No No No
#22

Beyondsupply-lab Glass Thistle Tube Long Stem Funnel Bent New

Beyondsupply Borosilicate Glass Thistle Tube with Bent Stem

BEYONDSUPPLY NJ-1522 40 12.00 X 3.00 X 3.00 Inches

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  • Glass Thistle Tube Long Stem Funnel bent new
  • top Diameter: 40 mm item OD 7mm total length 350mm
  • made of Borosilicate Glass
  • clear
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Beyondsupply Inc 9.80 No No No

The Beyondsupply Glass Thistle Tube stands out for its specialized bent stem design that simplifies precision liquid transfers. I found the borosilicate glass construction to be exceptionally clear, which is vital when you need to monitor flow rates or check for sediment during a procedure. With a substantial 350mm total length and a 40mm top diameter, this piece handles volume well while maintaining a slim 7mm outer diameter for easy placement in tight setups. It feels robust enough for regular lab use, and the clarity of the material ensures you aren't working blind. Whether you are managing complex chemical additions or standard liquid routing, the combination of the long stem and the specific bend makes this a highly functional addition to a professional glassware kit.

What We Like
Borosilicate glass
Bent stem design
350mm long stem
Clear visibility
40mm top diameter
Buying Guide

A Guide to Selecting the Best Lab Thistle Tube Funnels

A Guide to Selecting the Best Lab Thistle Tube Funnels

Material Compatibility and Chemical Resistance

The most vital decision factor is the material from which the funnel is constructed. Most high-end laboratory thistle tubes are crafted from borosilicate glass. Borosilicate is the industry standard due to its exceptional thermal shock resistance and low coefficient of thermal expansion, which is crucial when adding room-temperature liquids to heated solutions. However, if your workflow involves highly alkaline environments or frequent automated cleaning cycles with aggressive detergents, you must evaluate the potential for glass etching over time.

For specialized applications involving hydrofluoric acid or specific organic solvents that might react with glass, high-density polyethylene (HDPE) or PTFE (Teflon) alternatives may be necessary. PTFE thistle tubes offer near-universal chemical inertness and are virtually unbreakable, making them ideal for high-stress environments, though they lack the optical clarity required for visual monitoring of the liquid stream.

Geometry and Stem Length

The functional effectiveness of a thistle tube is dictated by its stem-to-bulb ratio. The primary purpose of the long, narrow stem is to allow the liquid to pass below the level of the stopper, thereby maintaining a closed system and preventing the escape of vapors or the ingress of atmospheric oxygen. When selecting a funnel, measure the depth of your reaction vessel. The stem must be long enough to reach well below the liquid surface once the addition begins to prevent 'glugging' or pressure surges that could blow the stopper out of the flask.

Additionally, consider the diameter of the stem. A narrow stem provides higher control for dropwise addition, which is essential for managing exothermic reactions. A wider stem allows for faster throughput but offers less precision. Ensure the diameter of the stem is compatible with the aperture of your receiving vessel's stopper to ensure a liquid-tight seal.

Thermal Stability and Pressure Management

If your laboratory processes involve boiling liquids or rapid temperature fluctuations, thermal stability is non-negotiable. A thistle tube used in a distillation setup or a reflux process must be able to withstand localized heating without cracking. Furthermore, consider how the funnel interacts with the system's pressure. While the thistle tube is designed to maintain a seal, the addition of liquid can displace air. Ensure your setup includes a secondary vent or that the thistle tube's design allows for the gradual equalization of pressure to avoid sudden bursts of vapor.

Ease of Sterilization and Maintenance

For microbiology or analytical chemistry, the ability to achieve a sterile state is paramount. Glass thistle tubes are easily sterilized via autoclaving or flame sterilization. If you opt for plastic alternatives, verify that the material is autoclavable. Many standard plastics will warp or leach chemicals when subjected to high heat. Smooth interior surfaces are also a key indicator of quality, as they prevent reagent buildup and ensure that cleaning residues do not contaminate subsequent experiments.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Lab Thistle Tube Funnels before you buy.

Unlike standard funnels, thistle tube funnels are designed specifically for adding liquids into a closed system or a flask during a chemical reaction, allowing for the controlled introduction of reagents without releasing internal pressure or vapors.

Borosilicate glass is the gold standard because it offers superior thermal shock resistance and chemical durability, ensuring the tube won't crack during heating or react with corrosive substances.

The diameter should be wide enough to allow for the rapid addition of liquids without splashing, but narrow enough to prevent the escape of gases from the reaction vessel once the tube is inserted.

While they are primarily designed for liquids, a wide-bore thistle tube can be used for powders. However, standard conical funnels are generally more efficient for dry material transfer.

Plastic versions are useful for non-corrosive, room-temperature applications where breakage is a concern, but they lack the heat resistance and chemical inertness required for most organic synthesis or high-temperature experiments.

Ensure the tube is inserted deep enough into the liquid or that there is a clear path for air to displace the liquid. Choosing a model with a tapered stem can help regulate flow.

Rinse immediately after use with an appropriate solvent (water or organic solvent) to prevent residue buildup, and always inspect for micro-cracks or chips before use to ensure safety during pressurized experiments.
Rankings & Insights

Our Lab Thistle Tube Funnels Rankings

20 Products Compared
5.7 Avg PM Score
10 Brands Ranked

Top 10 Lab Thistle Tube Funnels Brands on Amazon

Share of top-ranked products by brand, from our rankings.

  1. 01 Eisco 5 (27.8%)
  2. 02 Pisol 3 (16.7%)
  3. 03 Gsc International 2 (11.1%)
  4. 04 Stonylab 2 (11.1%)
  5. 05 Db11 1 (5.6%)
  6. 06 Iof 1 (5.6%)
  7. 07 Isnuff 1 (5.6%)
  8. 08 Johouse 1 (5.6%)
  9. 09 Labasics 1 (5.6%)
  10. 10 Pyrex 1 (5.6%)

How We Selected These Products

We compared Lab Thistle Tube Funnels products using product details and customer ratings to identify the best options in the categories. The top brands in this selection include pisol, johouse, iof, isnuff, stonylab and kongnai and romooa.

From that comparison we shortlisted the top 22 Lab Thistle Tube Funnels for this page. The sellers featured here include pisol, johouse, guibing, mr.pancherito, j&d tech and kongnai and kungbongjour.

We aim to help you find the right funnels products for your needs and save you time when choosing which Lab Thistle Tube Funnels to buy.

Side by Side

Comparison Table

Compare the top 22 picks at a glance — select a column to sort.

# Product Brand PM Score Where to Buy
1 iSnuff Mini Funnel 5-Pack for Small Bottles iSnuff 9.7 Buy on Amazon
2 Super Z Outlet Stainless Steel Mini Funnels Super Z Outlet 9.7 Buy on Amazon
3 IoF Ten-Piece Mini Clear Funnel Set IoF 9.6 Buy on Amazon
4 StonyLab Borosilicate Glass Funnel Two-Pack stonylab 9.5 Buy on Amazon
5 JOHOUSE Mini Plastic Funnel Set for Crafts and Oils JOHOUSE 9.5 Buy on Amazon
6 Pisol Multi-Size Rotating Kitchen Funnel Set Pisol 9.4 Buy on Amazon
7 Romooa Four Piece Silicone Kitchen Funnel Set Romooa 8.2 Buy on Amazon
8 EISCO Labs Polyethylene Filter Funnel 10-Pack EISCO 7.4 Buy on Amazon
9 stonylab Heavy Wall Borosilicate Glass Powder Funnel stonylab 6.2 Buy on Amazon
10 Pyrex 60° Angle Fluted Borosilicate Glass Funnels Pyrex 5.6 Buy on Amazon
11 EISCO Labs Borosilicate Glass Thistle Funnel EISCO 5.2 Buy on Amazon
12 EISCO Labs Borosilicate Glass Convection Tube EISCO 5.2 Buy on Amazon
13 Labasics Porcelain Buchner Filter Funnel Labasics 5.1 Buy on Amazon
14 EISCO Labs Thick Wall Thistle Funnel EISCO 5.1 Buy on Amazon
15 Beyondsupply-Lab Glass Thistle Tube Long Stem Funnel Straigh beyondsupply 5.1 Buy on Amazon
16 EISCO Labs Thick Wall Thistle Funnel EISCO 4.2 Buy on Amazon
17 FunChem Borosilicate Glass Lab Filter Funnels db11 4.1 Buy on Amazon
18 Pisol Multi-Size Kitchen Funnel Set with Strainers Pisol 0.0 Buy on Amazon
19 Pisol Multi-Size Rotating Kitchen Funnel Set Pisol 0.0 Buy on Amazon
20 GSC International Borosilicate Glass Thistle Tube GSC International 0.0 Buy on Amazon
21 TTS-5-3-4-10 Thistle Tube Funnel, Pack of 10 GSC International 0.0 Buy on Amazon
22 Beyondsupply Borosilicate Glass Thistle Tube with Bent Stem beyondsupply 0.0 Buy on Amazon