Filtering Funnels

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  • 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…

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

  • Long Stem Glass Funnels

    United Scientific Supplies

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

  • KIMAX Glass Buchner Filter Funnels

    DWK Life Sciences (Kimble)

    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.…

  • With fixed perforated plate Glazed except for rim

  • Filtration Assemblies & Flask

    DWK Life Sciences (Kimble)

    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.

  • Graduated Addition Funnels

    DWK Life Sciences (Kimble)

    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

  • Funnel, Addition

    Ace Glass

    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

  • Analytical Test Filter Funnels

    Thermo Scientific Nalgene

    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…

  • Porcelain Funnel Buchner

    Vee Gee Scientific

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

  • Filter Apparatus

    Chemglass

    Useful for direct filtration applications of small volumes under vacuum. Complete apparatus consists of a Buchner funnel with 14/20 top outer and lower inner joints, and a 50mL Erlenmeyer flask having a 14/20 outer joint.

  • 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. The angle of the funnel body facilitates the removal of precipitates. These funnels are available…

  • Unsurpassed for non-vacuum, high-speed filtration, these clear funnels have internal helicoid ribs to increase the filtration speed. Vertical outer ribs prevent airlock Autoclavable polymethylpentene plastic; unaffected by corrosive liquids Heat resistant to 177ºC (350ºF)

  • This unique disposable filter funnel system for solid-liquid separation can be used in chemistry and biological laboratories. The system consists of a polypropylene filter funnel with diatomaceous earth/polyethylene fritted disc, a CG-1049-J style glass vacuum adapter, and a flask or vial. The…

  • Simple design, reliable dispense Easy to load — Simple loading and unloading of refill pack at any point during use. No jamming — Guide plates assist loading and keep refill web in alignment during use to avoid jamming of the instrument. Soft touch keypad —…

  • Jacketed version of 7297 series addition funnels. Jacket runs from shoulder at top of vessel to above the PTFE stopcock. Has size D hose barbs for 3/8in ID tubing. Pressure equalizing arm runs from top of vessel to just below the PTFE stopcock. Graduat

  • This unique disposable filter funnel system for solid-liquid separation can be used in chemistry and biological laboratories. The system consists of a polypropylene filter funnel with diatomaceous earth/polyethylene fritted disc, a CG-1049-J style glass vacuum adapter, and a flask or vial. The…

  • Table-top Buchner funnels with medium porosity (45-90 microns) fixed filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick. Holes are 4.8mm…

  • Similar to CG-1402, but with the height above the disc increased by 33% for greater capacity. Not recommended for use where pressure would exceed 15 PSI.

  • For use with ACE Pressure Reactors. Heavy wall funnel has a #15 Ace-Thred at top that can be stoppered using 5846 Plug, not supplied. Bottom drip tip is long enough to be secured in the #15 Ace-Thred on 6433 Reactor Head or One-Piece Reactor and has a bump and groove that restricts blowout when…

  • Funnel, 100 mL, Ea.

    DWK Life Sciences (Wheaton)

  • Sartorius single-use polystyrene (PS) storage bottles are designed for safe, secure storage of tissue culture media and sera, buffers, and other aqueous solutions. Features & Benefits Single-use polystyrene bottles for storage of media, buffers, and other aqueous solutions …

  • Funnel has a sealed-in glass fritted disc of the listed porosity. Useful wherever filter paper or membranes cannot withstand the chemical attack of the filtrate. Constructed with heavy wall stems and the top of the funnel is beaded for additional strength. Not recommended for use where pressure…

  • Graduated addition funnels similar to 7268 series, except with outside jacket for cooling and/or heating. Jacket extends from just below shoulder of vessel down to the bottom tube just below the stopcock. Stopcock is either 2 or 4mm bore PTFE plug. Bot

  • Analytical Funnels

    GVS Filter Technology

    Ready-to-use 100 mL filtration units with removable cellulose nitrate membrane and culturing devices. Saves up to 50% in time with no flaming and sterilization required Minimizes the risk of cross contamination Easy release of membrane

  • Double scale graduated funnel with jacket for cooling with dry ice. Calibrated from stopcock. With 1:5 PTFE stopcock plug; for extra plugs, see 8224. For stoppers, order 8250-12.

  • Table-top Buchner funnels with medium porosity (45-90 microns) (90-130 microns) 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. The high density polyethylene rigid plate is 4.8mm (3/16")…

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