Buchner funnels available with medium porosity (45-90 microns) or coarse porosity (90-130 microns). Fixed and removable filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. Buchner funnels are also available…

Unique Magnetic Seal Allows Easy, One-Handed Vacuum Filtration of Liquids No-leak magnetic seal allows one-hand operation.   Polyphenylsulfone construction is compatible with anti-foaming agents and many other solvents. Convenient.  150 mL size allows for easy fit into small…

A vertical, compact screw feed instrument for addition of powders and solids, up to 25 mesh, to reactions without seizing or binding. Features a flexible PTFE screw thread wrapped on a precision PTFE-ceramic shaft and contained within a precision bore

Inside flutings for rapid filtration For use in flasks or test tubes without filter rack

Beaded rim and short, large bore stem Funnel i.d. and stem o.d. listed respectively

Glass Long Stem Funnels, 60 degree angle, Stem length is 150mm.

Polyproylene funnels resist virtually all chemicals including hydrofluoric acid (5246T01 to T19) Teflon® TFE stopcock and housing Leakproof closure and stopcock Visible phase interface TFE housing eliminates need for lubrication which reduces the possibility of…

Funnel can be autoclaved; stopcock can be chemically sterilized. No stopcock lubrication needed. So transparent that phase interface is visible down to the stopcock and nonwetting surface—enhances complete drainage Break-resistant and impervious to any chemical used in a separatory…

Kimble 28400 With fused-in fritted discs Designed from Federal Specification DD-F-776 Dimensions are identical with corresponding sizes of 5220F28 series. Type designates capacity (in mL) and porosity.

These filter assemblies for FILTERWARE™ filtration system consist of an all-borosilicate glass funnel, fritted glass support base, aluminum clamp, and silicone stopper. Choose from 47mm or 90mm filter assembly sizes. Individual components are offered in various sizes for a customized unit.…

Temporarily contain waste on the benchtop or under the lab hood using Thermo Scientific™ Nalgene™ Safety Waste Funnel Systems. Funnels feature the Easy Snap Safety Latch to minimize spillage if accidentally tipped over and a larger diameter funnel for easy pouring. The vent system helps…

Heavy-duty polyproylene (PP) analytical funnels are perfect for use in Analytical Chemistry applications. Funnels feature long, narrow stems, making them idea for use with liquids. Funnels have internal and external ribbing to prevent air lock. Funnels are angled at exactly 60° for rapid…

Glass stopcock and glass stopper Stem length of 65 mm

Cylindrical funnel has a PTFE stopcock and a glass hex head stopper 633031 is supplied without a stopper Standard Taper bottom joint is 24/40 with a drip tip Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

With fixed perforated plate Glazed except for rim

Ensure complete sample transfer with these disposable antistatic polypropylene weighing funnels that are designed to fit in volumetric flasks. One side of the funnel is flattened so you can set the funnel flat on a balance. Micro funnel is designed to fit microwell plates. Please note that…

Designed to handle liquids for analysis of particulate or microbiological contamination; funnels are graduated for accuracy Choose the Ultra-Ware microfiltration assembly that best fits your application Fritted Glass Support, 25 mm (4588A01) Used for general filtration.…

Filter large volumes quickly Filter large volumes quickly with a polyethylene plastic Table-Top Buchner Funnel using your choice of Fritware® or Perforated filter plate. Removable hose barbed connector accepts 12.7mm (1/2") I.D. tube and threads into 3/4" NPT bung on the…

Jacket permits the cooling of the contents of the funnel by means of dry ice. Drain outlet is 8mm O.D. With a standard taper top outer joint and lower inner joint, both being the same size, and pressure equalizing arm.

KIMAX funnel constructed with heavy uniform walls and strong, fire polished rims and stems to give a long service life. Funnels have a high resistance to chemical attack, mechanical, and thermal shock. Designed from ASTM Specification E1095, Type I, Class B requirements.

This large, one piece, heavy-duty funnel is 6.35mm (1/4") thick. Perfect for industrial drums and other large funnel needs Made from low density polyethylene Exhibits exceptional chemical resistance to most acids, alkalis and some organic solvents.

Cylindrical funnels have a pressure equalizing line, a PTFE stopcock, and a lower drip tip Graduations to the stopcock are numbered both up and down Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

With an equalizing arm and a special stopper so that material may be isolated from the atmosphere. Turning the stopper completely closes the vessel to the equalizing arm so that the funnel may be disconnected without exposing contents to moist air, etc

Powder Funnel, Inner Joint Top Size: 50-100mm available Joint: 24/40 or 29/42 Funnels have a 60° side angle and a standard taper inner joint.

Ribbed exterior, which permits free air passage when funnel is seated and prevents bridging Reinforced rim and smooth inner surface Autoclavable

High density polyethylene funnel is ideal for powders and general use. Extra wide 1-1/2" stem exit allows for extra coarse or clumping powders to easily pass Exceptional chemical resistance to most acids, alkalis and some organic solvents

Teflon® stopcock plug and Standard Taper polyethylene stopper Stem length of 65 mm PYREX® borosilicate glass body

Economical, disposable and sterile Features a graduated, “peel-away” upper, which easily separates from the collar to allow quick retrieval of the cellulose nitrate membrane for microbiological analysis 250 mL, polypropylene upper with 47 mm, 0.2 or 0.45 µm membrane The 0.45 µm…

Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a stainless steel filter support and No. 5 perforated silicone stopper for easy attachment to a vacuum filtering flask. Membrane filters are not included. Thick prefilters or laminated…

These PYREX® Hirsch funnels have a 20mm or 30mm diameter and medium or coarse porosity fritted disc. These fritted disc funnels are very useful in preparative work, or in making separations where it is necessary to wash the precipitate and redissolve with chemicals which would attack filter paper.…

Large plastic funnels made of polyethylene. Big plastic funnels are designed for transferring liquids. Maximum temperature for HDPE is 110°C.

Our Buchner Funnel with perforated plate is manufactured with the highest standards and are glazed inside and out with the exception of the rim.