Best Lab Buchner Funnels in 2026

With fixed perforated plate

Glazed on inner and outer surface with exception of rim

100mm outer diameter, 92mm inner diameter

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.

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.

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

G1 80~120 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

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.

9 count filter adapter cones set,suitable for different sizes of experimental apparatus.

Made of vulcanized rubber with good elasticity and smooth and durable surface.

It can be used alone or nested with adjacent sizes,minimize the risk between funnel flasks.

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 32×10-7/℃

Package include:OESS Filter Adapter Buchner Funnel Flask Cones Tapered Collar Blue Color 6pcs Set

The tapered filter adapter cones set are made of high quality rubber,used for filtration assemblies,together with a buchner funnel and a buchner flask for filtration.

They are used for filter funnels or Buchner funnel, which can be used singly or nested with adjacent sizes, reduces the risks associated with insertion and removal of glass stems through these rubber stoppers.

Our filter adapter cones set come with 9 different diameters and flexible use for various sizes of experimental filtration apparatus

Made of durable vulcanized rubber with good elasticity, smooth surface, and wear-resisting

It can be used as a single assembly or used for interlinking apparatus; reduce the damaged risks for glass stems when inserting or removing them through the rubber filter adapter cone

Size - The outer diameter of this funnel is 120mm. Details shown as picture.

Made of high quality Porcelain, it is stable, durable and will not softening.

Design - It has the fixed perforated plate for easy filtration.

Two piece durable polypropylene Buchner Funnel

Autoclavable

3.5" Diameter

G3 15~40 μm Nominal Max; Pore Size

24/40 Joint on the top and bottom

Used in various chemical experiments for separating solids such as crystals or precipitates from large amounts of liquids; connect the bottom joint to Erlenmeyer flask or filtering flask, working with pump

G3 15~40 μm Nominal Max; Pore Size

24/40 Joint on the top and bottom

Used in various chemical experiments for separating solids such as crystals or precipitates from large amounts of liquids; connect the bottom joint to Erlenmeyer flask or filtering flask, working with pump

Set of 9 different size neoprene adapter cones designed to fit Buchner and fritted glass funnels

Made of Neoprene: These adapter cones are designed to fit around the stem of Buchner funnels, porcelain filters (minus headpieces), and fritted glass funnels. Extremely useful in the reverse flow cleaning of filter crucibles.

Widely Used:Perfect for supporting funnels, Gooch crucibles, filter tubes and other apparatus that are routinely used in filtration assemblies.

With fixed perforated plate

Glazed on inner and outer surface with exception of rim

100 mm outer diameter,90 mm inner diameter

With fixed perforated plate

Glazed on inner and outer surface with exception of rim

120 mm outer diameter, 110 mm inner diameter

Product Type :Lab Supply

Package Dimensions :18.796 Cms L X12.192 Cms W X12.446 Cms H

Country Of Origin :United States

2 PARTS || 7.5cm Büchner funnel with straight sides, two interlocking parts and a perforated filter plate is made of high quality polypropylene

SEPARATION || For use in filtration (separation of solid matter and fluid) - Two parts combine forming a vacuum seal which does not require greasing

5-6CM FILTER PAPER NEEDED || Filtration paper required but NOT included - Best with 5-6cm filter paper - Moisten filter paper with a liquid to prevent initial leakage

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.

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 32×10-7/℃

Removable hose barbed connector accepts 12.7mm (½") I.D. tube and threads into ¾" NPT bung on the funnel. Use the F36820-0118 Funnel Trowel to quickly and efficiently smooth fissures appearing during the filtration process

Fixed or removable Fritware Porous Filter Plates supported by a multiple ring grid; HDPE, 6.4mm (¼") thick, with a non-porous ring at the periphery of the plate which seals filter paper when used

Fritware Porous Filter Plates available in two porosities (medium and coarse); medium is 45-90 microns while the coarse is 90-130 microns; use temperature range maximum 52ºC (125ºF), minimum -20ºC (-4ºF)

Removable hose barbed connector accepts 12.7mm (½") I.D. tube and threads into ¾" NPT bung on the funnel. Use the F36820-0118 Funnel Trowel to quickly and efficiently smooth fissures appearing during the filtration process

Fixed or removable Fritware Porous Filter Plates supported by a multiple ring grid; HDPE, 6.4mm (¼") thick, with a non-porous ring at the periphery of the plate which seals filter paper when used

Fritware Porous Filter Plates available in two porosities (medium and coarse); medium is 45-90 microns while the coarse is 90-130 microns; use temperature range maximum 52ºC (125ºF), minimum -20ºC (-4ºF)

Removable hose barbed connector accepts 12.7mm (½") I.D. tube and threads into ¾" NPT bung on the funnel. Use the F36820-0118 Funnel Trowel to quickly and efficiently smooth fissures appearing during the filtration process

Fixed or removable Fritware Porous Filter Plates supported by a multiple ring grid; HDPE, 6.4mm (¼") thick, with a non-porous ring at the periphery of the plate which seals filter paper when used

Fritware Porous Filter Plates available in two porosities (medium and coarse); medium is 45-90 microns while the coarse is 90-130 microns; use temperature range maximum 52ºC (125ºF), minimum -20ºC (-4ºF)

Removable hose barbed connector accepts 12.7mm (½") I.D. tube and threads into ¾" NPT bung on the funnel. Use the F36820-0118 Funnel Trowel to quickly and efficiently smooth fissures appearing during the filtration process

Fixed or removable Fritware Porous Filter Plates supported by a multiple ring grid; HDPE, 6.4mm (¼") thick, with a non-porous ring at the periphery of the plate which seals filter paper when used

Fritware Porous Filter Plates available in two porosities (medium and coarse); medium is 45-90 microns while the coarse is 90-130 microns; use temperature range maximum 52ºC (125ºF), minimum -20ºC (-4ºF)

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.

Removable hose barbed connector accepts 12.7mm (½") I.D. tube and threads into ¾" NPT bung on the funnel. Use the F36820-0118 Funnel Trowel to quickly and efficiently smooth fissures appearing during the filtration process

Fixed or removable Fritware Porous Filter Plates supported by a multiple ring grid; HDPE, 6.4mm (¼") thick, with a non-porous ring at the periphery of the plate which seals filter paper when used

Fritware Porous Filter Plates available in two porosities (medium and coarse); medium is 45-90 microns while the coarse is 90-130 microns; use temperature range maximum 52ºC (125ºF), minimum -20ºC (-4ºF)