Best Glass Lab Filtering Funnels in 2026

Can filter chemicals that cannot be filtered by filter paper or diaphragm; can be used with filter erlenmeyer flask, filter adapter cones and others; ideal for chemical analysis, petroleum industry, pharmaceutical industry and so on

G3 15~40 μm Nominal Max. pore size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 46 mm diameter

Special Notice: not for filtering hydrofluoric acid, hot concentrated phosphoric acid, concentrated alkaline solution, etc.; please clean immediately after use; keep it clean and dry when stored

3 Different Sizes Funnels with 1 Strainer: The 3 pieces stainless stell funnel set includes diameter of 4.3"/11cm, 5.1"/13cm, 5.9"/15cm according to your different needs. Includes a removable strainer to help prevent stem clogging.

High quality: Food grade stainless steel funnel, made of high quality stainless steel, safe and durable, resistant to fracture, bending, scratch and rust. You can also stack the three funnels to save storage space.

Easy to use: Each funnel has a very narrow stem, perfect for holding vials and containers, while preventing oil spills on kitchen counters. The most suitable for milk, syrup, beer, herbal medicine, old oil, detergent and other liquid accurate, fast transport and filling; And can be used to filter flour, spices, chewing cocoa, ground cocoa, coffee grates and other particles; Widely used in most bottles, glasses, cans and other containers.

Made of borosilicate glass

Diameter: 100mm

Stem Length: 100mm

Can filter chemicals that cannot be filtered by filter paper or diaphragm; can be used with filter erlenmeyer flask, filter adapter cones and others; ideal for chemical analysis, petroleum industry, pharmaceutical industry and so on

G2 40~80 μm Nominal Max. pore size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 94 mm diameter

Special Notice: not for filtering hydrofluoric acid, hot concentrated phosphoric acid, concentrated alkaline solution, etc.; please clean immediately after use; keep it clean and dry when stored

9 different diameters cones funnel,suitable for different sizes of experimental apparatus.

buchner funnel adapter Used for filtration assemblies, with a Buchner funnel and a Buchner flask for filtration.

Buchner Funnel Flask Adapter Set made of vulcanized rubber,good elasticity,smooth surface and durable.

Top Outside Diameter: 100mm

24/40 Joint

Short Stem Funnel is made of borosilicate glass

High Quality - Made of borosilicate glass, it has the advantage of excellent physical and chemical resistant.

Medium Frit - The Pore Size is G2, which max. size is 40~80 μm.

Specification - The inner diameter is 94mm with the 24/40 standard joint.

2000mL borosilicate glass separatory funnel

16 inches long, 6 inch diameter

Fitted with a 29/32 interchangeable plastic stopper and PTFE stopcock

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.

[SIZE]: 24/40 Joint; 4-5.5 Micron; Diameter of the glass filter: 100mm. 1/2" Barb.

[MATERIAL]: Made of high borosilicate glass.

[CAPACITY]: 600ml.

HEAVY FILTER || Heavy filter funnel (60º Angle) with 16mm diameter plain stem - Heavy construction provides greater mechanical strength and prolonged life with harder than normal usage

THICK, UNIFORM WALLS || Features thick, uniform walls that allow for increased durability, ease of use and continual flow of liquid

DURABLE & STURDY || Made of high quality Borosilicate 3.3 glass that is built to last and withstand multiple uses - Glass is the material of choice for laboratory applications due to its inertness

G2 40~80 μm Nominal Max; Pore Size

24/40 Joint

1000ml Capacity

HEAVY FILTER || Heavy filter funnel (60º Angle) with 10mm diameter plain stem - Heavy construction provides greater mechanical strength and prolonged life with harder than normal usage

THICK, UNIFORM WALLS || Features thick, uniform walls that allow for increased durability, ease of use and continual flow of liquid

DURABLE & STURDY || Made of high quality Borosilicate 3.3 glass that is built to last and withstand multiple uses - Glass is the material of choice for laboratory applications due to its inertness

Package contains: 1 pack 75mm short stem glass funnel.

Material: this funnel is made of 3.3 Borosilicate glass, clear glass, which has high heat resistance, acid and alkali resistance and good stability. It can be sterilized at high temperature. Food grade funnel.

Size (Diameter x Height): 75mm x 135mm (height of stem: 75mm).

Made of high quality, borosilicate glass

Funnel measures 7.5" tall (including stem), and 4" diameter. Stem measures 4" long and has a diameter of 0.75"

Heavy duty construction for greater mechanical strength and prolonged life

High Quality - Made of borosilicate glass, it has the advantage of excellent physical and chemical resistant.

Medium Frit - The Pore Size is G3, which max. size is 15~40μm .

Design: Buchner Funnel is a universal filter with 24/40 standard joint and a capacity of 250ml. It is suitable for use with all types of liquids.

Can filter chemicals that cannot be filtered by filter paper or diaphragm; can be used with filter erlenmeyer flask, filter adapter cones and others; ideal for chemical analysis, petroleum industry, pharmaceutical industry and so on

G3 15~40 μm Nominal Max. pore size; compatible with StonyLab Qualitative/Quantitive Filter Paper Circles in 56 mm diameter

24/40 Joint on the top and bottom; made of high quality glass

EVERYTHING YOU NEED || All materials for conducting vacuum filtration procedures

6-PIECE SET || Includes: (1) 1000mL glass filtering flask with sidearm; (1) hand-held vacuum pump with gauge; (1) 4.3"dia. PP Buchner funnel; (100) 11cm filter papers; (1) 35" flexible tubing; (1) 1-hole rubber stopper

PROTECTIVE FOAM INSERT || Custom foam insert with cutouts keeps components protected and neatly organized

Design - Buchner funnels are used for filtration using vacuum or negative pressure suction, useful where filter paper would be attacked by material being filtered. Constructed with heavy wall stems and the top of the funnel is beaded for additional strength.

Material - Made of high-quality glass, thick-wall designed, strong and durable.

Specification - 2ml;5ml;30ml;60ml;150ml;350ml;600ml, available in a wide range of sizes for general and analytical lab needs.