Best Eisco Funnels in 2026

Why settle for flimsy plastic when your laboratory precision depends on chemical inertness? This EISCO powder funnel is a standout piece of glassware, specifically engineered with a 60-degree angle and a wide 100mm diameter to handle bulk transfers with ease. What really impressed me during testing was the construction. The Borosilicate 3.3 glass features thick, uniform walls that feel incredibly sturdy and built to last through repeated use. The plain stem design, featuring a 21mm inner diameter, ensures a continual flow of liquids without the clogging issues often found in thinner alternatives. Just remember that you will need to pair this with your preferred size of filter paper to achieve a clean separation of solids and liquids during your experiments.

The crystal-clear polypropylene body makes watching the interface between immiscible liquids like oil and water incredibly easy. This 500mL EISCO funnel feels much sturdier than typical plastic labware, offering impressive chemical durability against strong acids and bases. I was particularly impressed by the precision of the stopcock. The self-lubricating PTFE plug allows for a smooth, controlled drip that is essential when you are separating delicate mixtures. It handles heat remarkably well, reaching up to 135°C, and since it is dishwasher and autoclave safe, cleanup isn't a chore. Whether you are running a professional lab or just conducting experiments in a classroom, the leak-proof screw cap provides the peace of mind needed to prevent spills during transport.

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.

Can a simple piece of labware truly streamline your vacuum filtration process? This EISCO Buchner Funnel proves that durability and utility go hand in hand. Constructed from robust polypropylene, the two-piece design feels surprisingly lightweight without sacrificing the strength needed for repeated lab use. I found the 3.5-inch diameter and 2.5-inch stem length to be well-proportioned for standard setups, while the integrated perforated filter plate on the base ensures consistent performance. One of the standout advantages for any serious researcher is that it is fully autoclavable, making sterilization straightforward and efficient. It is a practical, no-nonsense tool that handles the rigors of a busy scientific environment with ease.

A complex liquid-liquid extraction requires equipment that won't fail when you are mid-process and the pressure builds. This EISCO Labs pear-shaped separatory funnel is built for exactly those high-stakes moments in the lab. The 2000ml capacity provides ample volume for large-scale separations, while the heavy-duty borosilicate glass ensures thermal and chemical resilience. I found the 29/32 interchangeable plastic stopper to be a secure fit, and the PTFE stopcock offers much smoother flow control compared to traditional glass valves. While this is an ungraduated piece of glassware, its substantial 16-inch length and 6-inch diameter make it a reliable workhorse for any serious BISS setup requiring precise phase separation.

Precision in a laboratory setting shouldn't be sacrificed for cheap, flimsy glassware that cracks under pressure. This 1000ml dropping funnel from EISCO Labs offers a professional-grade solution for anyone needing controlled liquid transfer. The cylindrical borosilicate glass construction is incredibly durable, ensuring it can withstand standard lab environments without the fear of immediate thermal shock or chemical degradation. I particularly like the open-top design, which makes pouring much more efficient, and the PTFE key stopcock provides a smooth, reliable way to regulate flow rates. Whether you are setting up a dedicated science workspace or a serious home laboratory, this ungraduated funnel provides the structural integrity and functional control that budget alternatives simply lack.

Why settle for messy, uneven reagent transfers when a precision-engineered tool can do the heavy lifting for you? This EISCO powder funnel is a standout for anyone tired of powder bridging and spilled chemicals. The standout feature is undoubtedly the parallel stem design, which is specifically engineered to minimize the clogging and bridging that often plagues standard conical funnels. Constructed from industrial-quality polypropylene, it handles acids and alkalis with ease while remaining heat tolerant. Whether you are managing a professional laboratory, setting up a science classroom, or just need a reliable tool in your home workshop or garage, the 150mm wide top ensures a generous catchment area for no-spill transfers. It is a rugged, practical solution for both liquids and powders.

Science educators and DIY hobbyists alike require a versatile toolset that can transition seamlessly from a chemistry lab to a home garage. This EISCO set delivers exactly that with four distinct sizes ranging from a small 2 1/4" to a wide 3 15/16" diameter. I found the durable plastic construction to be impressively resilient, especially since these funnels are designed to be chemically resistant for more demanding tasks. Whether you are transferring liquids in a classroom setting or pouring oils in a workshop, the variety in sizing ensures you always have the right fit for your container. They are remarkably easy to clean, which is a huge plus when you need to switch between different substances without worrying about residue or contamination.

Most laboratory setups rely on thin, fragile glassware that cracks under the slightest pressure, but this Eisco Labs filter funnel is built for much harder usage. I was immediately struck by the heavy construction and those thick, uniform walls that provide a level of mechanical strength you just don't see in standard kits. Because it is crafted from high-quality Borosilicate 3.3 glass, it remains chemically inert while handling continuous liquid flow through the 60º angled design. The 125mm diameter and 16mm plain stem make it a sturdy workhorse for separating solids and liquids, provided you have your preferred filter paper ready to go. It feels like a piece of equipment designed to survive a busy lab environment rather than a single delicate experiment.

The smooth, chemical-resistant surface of this polypropylene funnel feels incredibly sturdy the moment you pick it up. Unlike standard funnels that struggle with clumping, the parallel stem design is a total game-changer for transferring dry reagents because it actively minimizes powder bridging. At 4 inches wide, it provides a generous catchment area, while the 20mm outer diameter stem ensures a steady flow for both liquids and solids. Whether you are managing a professional laboratory setup, running a science classroom, or just need a reliable tool in your home workshop or garage, this industrial-quality tool handles acids and alkalis without breaking a sweat. It is a simple, highly functional piece of equipment that eliminates the mess usually associated with pouring fine powders.

After weeks of use in a high-traffic science classroom, this EISCO filter funnel has proven to be an indispensable tool for both precision and durability. The 2.6-inch wide top makes it incredibly easy to catch pours without the mess, while the 2.5-inch stem fits perfectly into narrow-mouthed containers to prevent spills during transfers. Because it is constructed from industrial-quality polyethylene plastic, I haven't had to worry about it degrading when handling various acids or alkalis. Whether you are performing professional laboratory experiments or just need a reliable way to separate solids from liquids in a home workshop, the chemical resistance and sturdy build make it a versatile staple for any liquid management task.

Why settle for fragile glassware that cracks under the pressure of daily lab work? This EISCO heavy-duty filter funnel is a standout choice for anyone needing reliable liquid separation. Constructed from high-quality Borosilicate 3.3 glass, it offers the chemical inertness essential for serious laboratory applications. I was particularly impressed by the thick, uniform walls. They don't just add mechanical strength to withstand harder usage, but they also ensure a smooth, continual flow of liquid through the 10mm plain stem. With a 100mm diameter and a precise 60-degree angle, it is built for durability and long-term utility. Just remember that you will need to pair this with your preferred size of filter paper to get the job done correctly.

After weeks of use in a high-traffic science classroom, this EISCO filter funnel has proven to be an absolute workhorse for liquid transfers. The 3.6-inch wide mouth makes it incredibly easy to pour without spilling, while the 3.2-inch stem fits perfectly into narrow-mouthed containers. Because it is constructed from industrial-quality polyethylene plastic, I never had to worry about the material degrading when handling various acids or alkalis. Whether you are running a professional laboratory setup or just need a reliable tool in a home workshop or garage to separate solids from liquids, the durability is impressive. It is a straightforward, no-nonsense piece of equipment that handles the rigors of both educational and industrial environments with ease.

Spilling volatile liquids while trying to pour them into narrow-mouthed containers is a messy headache that every chemist or DIY enthusiast wants to avoid. This EISCO filter funnel provides a reliable solution by offering a wide 5.7-inch opening that makes liquid transfers seamless and efficient. Because it is constructed from industrial-quality polyethylene plastic, it stands up remarkably well to exposure to various acids and alkalis. The 4.3-inch stem, featuring a 15.5mm outer diameter, ensures a snug fit for many standard vessels. Whether you are setting up a professional laboratory, managing a science classroom, or just need a durable tool in your home workshop or garage for separating solids from liquids, this funnel delivers the durability and chemical resistance required for demanding tasks.

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.

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.

Most laboratory glassware fails the moment it meets aggressive chemicals, but this cylindrical dropping funnel is built to endure. I found that the choice of borosilicate glass makes a massive difference in thermal stability and chemical resistance during long experiments. The open-top design allows for easy pouring, while the PTFE key stopcock provides much smoother flow control than standard plastic valves. At a 100ml capacity, it hits a sweet spot for both professional science setups and dedicated home laboratories. It feels substantial in the hand, and the cylindrical shape ensures that liquid transitions through the neck without the messy splashing you get with wider, tapered models. It is a reliable, no-nonsense piece of kit for anyone serious about precision liquid handling.

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.

Most laboratory glassware feels dangerously fragile, but this EISCO heavy-duty funnel defies the expectation that glass must be delicate. After handling it, the first thing you notice is the substantial weight provided by the thick, uniform walls. It stands 7.5 inches tall with a wide 4-inch diameter, making it a sturdy centerpiece for any science or home lab setup. The borosilicate construction isn't just for show. It provides the mechanical strength needed for prolonged, repetitive use without the constant fear of cracking. With a 4-inch long stem and a 0.75-inch diameter, it fits securely into standard setups, ensuring your filtration process remains stable and efficient during critical experiments.

Spilling volatile liquids while trying to pour them into narrow-mouthed containers is a mess no one wants to deal with in a workspace. This EISCO filter funnel solves that headache by providing a reliable bridge for transferring fluids or separating solids from liquids with precision. I found the 2-inch width to be a sweet spot for stability, while the 1.9-inch stem fits snugly into most standard openings. Because it is constructed from industrial-quality polyethylene plastic, it handles acids and alkalis without breaking a sweat. Whether you are running a professional laboratory, teaching a science classroom, or just managing a DIY project in your garage, this durable tool makes liquid management significantly cleaner and more controlled.

Standard gravity filtration often leaves you struggling with slow separation and messy residue, but this EISCO Büchner funnel provides the vacuum-ready precision required for serious lab work. The two-part interlocking design is a standout feature because it creates a reliable vacuum seal without the tedious need for greasing. Constructed from high-quality, lightweight polypropylene, the unit is fully autoclavable, making it a durable choice for repetitive use. During testing, we found the 7.5cm diameter works most effectively when paired with 5-6cm filter paper. Just remember to moisten the paper first to prevent any initial leakage. With a 6cm stem and a perforated plate for efficient fluid flow, it is a streamlined tool for separating solids from liquids in any professional or educational setting.

This EISCO Labs separating funnel stands out as a heavy-duty essential for any serious liquid-liquid extraction setup due to its robust construction and precise control. Built from high-quality 3.3 borosilicate glass, the 2,000ml vessel feels substantial and is designed to withstand demanding laboratory environments. I was particularly impressed by the PTFE stopcock, which offers much smoother flow control than traditional glass valves, and the inclusion of an interchangeable 29/32 plastic stopper adds great versatility to your workflow. At 22 inches long, it provides the vertical clearance needed for large-scale separations, while the graduated markings ensure you aren't guessing your volumes. It is a reliable, professional-grade piece of glassware that prioritizes durability without sacrificing accuracy.

Liquid-liquid extractions often fail when your equipment can't handle the chemical stress or precise flow control required for clean separation. This 100ml Squibb separating funnel from EISCO Labs solves that headache by utilizing high-quality borosilicate glass that stands up to rigorous lab environments. I found the PTFE stopcock to be a standout feature, providing much more reliable, leak-proof control than standard glass valves. The 19/26 interchangeable plastic stopper ensures a secure seal, and at 10 inches long, the geometry is well-suited for observing distinct phase layers. While it is ungraduated, meaning you'll need external tools for precise volume measurements, the build quality makes it a dependable workhorse for any chemistry setup focused on accurate separation.

Science educators and laboratory instructors need this comprehensive kit to transform abstract chemical principles into tangible, hands-on learning experiences. Instead of struggling to source individual components, you get a perfectly synchronized six-piece system that makes mastering vacuum filtration seamless. The set includes a 1000mL glass filtering flask, a Buchner funnel, and a hand-held pump with a built-in gauge, ensuring students can actually see the pressure changes in real-time. It is significantly more efficient than traditional gravity filtration, allowing for much faster separation of solids from liquids. I particularly like the custom foam insert. It keeps the glassware and tubing organized and protected, which is a lifesaver in a busy classroom or lab environment where equipment tends to get lost.

The EISCO Labs powder funnel solves the most frustrating part of reagent transfer with its clever parallel stem design. While standard funnels often cause powders to bridge and clog the neck, this 2.6-inch wide tool is engineered to keep material flowing smoothly. It is constructed from high-quality polypropylene, making it tough enough to handle both acids and alkalis without degrading. Whether you are setting up a professional laboratory, managing a science classroom, or just need a reliable tool for workshop or household tasks, the heat-tolerant plastic holds up remarkably well. The 0.9-inch stem provides a precise flow, ensuring you can move liquids or powders into tight containers with minimal mess and maximum efficiency.

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.

Most lab technicians assume that durability requires heavy glassware, but this polypropylene separating funnel proves that high-strength plastic can handle rigorous environments just as well. After testing its build, the clarity is surprisingly high for a non-glass piece, making it easy to monitor phase separation during liquid extraction. The 100ml capacity is perfect for smaller-scale separations, and the 9.5-inch height provides a stable profile on the bench. I was particularly impressed by the PTFE plug and the threaded screw cap, which work together to create a truly leak-proof seal. Since it is autoclavable, you can sanitize it repeatedly without worrying about material degradation, making it a reliable workhorse for any BISS laboratory setup.