Filtering Funnels

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  • With fixed perforated plate Glazed inside and outside with exception of rim

  • for 47 mm filters with glass support, NS 40/35 joints, 4 L flask (included) Funnel volume is 1000 mL General description Same as Z290432 but with NS 40/35 jont (male on flask, female on funnel support) instead of rubber stopper. Vacuum filtration apparatus for HPLC solvent…

  • Analytical funnels made of autoclavable polypropylene. These funnels have long, narrow bore that works best for liquids.

  • For use without filter paper Offered in nine sizes and three porosities Pore sizes 40 to 60 µm = C, 10 to 15 µm = M and 4 to 6 µm = F With square-cut, fire-polished rim These funnels are especially useful where filter paper would be attacked by the material…

  • Long and short stem funnels are ideal for filtering Molded to an accurate 60° angle for ease in fitting filter paper Beaded rim for mechanical strength Long stem, which is constructed of heavy wall tubing Molded to an exact 58° angle , which increases filtering speed High resistance to…

  • Vacuum Filter Holder Set, 47mm

    United Scientific Supplies

    This all-glass filter holder is used in particulate contamination analysis for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc,…

  • Buchner Funnel Filter Paper Disks

    Bel-Art - SP Scienceware

    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…

  • Plastic Funnels, Polypropylene

    Thermo Scientific Nalgene

    For standard filter papers Body is at 60° angle with internal ribs at 58° for rapid filtration Outside ribbing eliminates air lock Autoclavable

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

  • Reusable Filter Holders with Receiver

    Thermo Scientific Nalgene

    Polysulfone filter funnels For 47 mm diameter membrane filters Eliminates the need for a manifold and/or breakable glass vacuum flask Particularly useful for field work Receiver is graduated Non-sterile Autoclavable Two side-arms allow connection to vacuum line; also…

  • Designed to help prevent contamination during use Recommended for routine filtration analysis of corrosive liquids and the removal of particulates from HPLC solvents Replaceable supports available Filter size: 47 mm; 3/8” hose connection A ground joint connection eliminates…

  • Clamp Style Polysulfone Filter Funnels

    Thermo Scientific Nalgene

    Durable, break-resistant, non-toxic polysulfone exhibits low protein- binding and is easy to clean Same funnel design as glass funnels without breakage problems Upper reservoir is graduated in 25 mL increments from 100 to 250 mL Unique fit of upper and funnel sections ensures no…

  • Short Stem Funnels, 58° Angle

    DWK Life Sciences (Kimble)

    KIMAX funnel constructed with heavy uniform walls and molded rims and fire polished stems to give a long service life. Funnels have a high resistance to chemical attack and mechanical and thermal shock. The 58° funnel angle is a Kimble exclusive, formed to an exact angle for rapid filtration. The…

  • For vacuum filtration of liquids, especially for the analysis of aqueous samples for microbiological and particulate contamination using the Membrane Filter (MF) Technique. The Magnetic Filter Funnel is ideal for use with a filter funnel manifold or side-arm vacuum flask using a rubber stopper…

  • Clear polysulfone funnel with imprinted graduations. Magnetic coupling of funnel to stem for fast filter changes. Used with 47 mm membrane filters for coliform testing and prefiltration of many fluids. Fits standard manifold systems with #8 rubber stopper connections. Capacity 300 mL (10 oz).…

  • Sterile Disposable Filter Funnel Unit

    Thermo Scientific Nalgene

    Analytical Filter Funnel, Polystyrene; Cellulose Nitrate (C.N.) Membrane CONTAINS FILTERS ONLY Nalge 140 47 mm diameter filter with grid Ideal for use with filtering flasks or manifolds Convenient snap-away design with removable membrane; funnel marked at 100 mL …

  • Vacuum Filter Holder Set, Fritted Glass

    United Scientific Supplies

    Designed for bacteriological analysis of water using 47mm sterile membrane filters. Also applicable for analysis of suspended solids in water using 47mm depth filters. Complete set includes a borosilicate glass funnel and base., anodized aluminum spring clamp, and perforated silicone stopper. …

  • Scienceware® Buchner Funnels, Two-Piece

    Bel-Art - SP Scienceware

    Easy-to-clean two-piece, polypropylene plastic Buchner funnels include a molded in perforated plate. Lightweight; not top-heavy Steam autoclavable at 121°C (250°F) Use with Vac-Ring Filter Seal (1189N06) for quick filter setup

  • For quick and easy filtration, Whatman 3-Piece filter funnels are available with a choice of three plates. They also come in several sizes to match your needs. 3-Piece Filter Funnel The increased use of high-efficiency glass microfiber filters in modern laboratories has created a…

  • Porcelain Buchner Funnels

    United Scientific Supplies

    Buchner funnel includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of…

  • Heavy-Duty LDPE Funnels

    Thermo Scientific Nalgene

    Avoid breakage and corrosion with Thermo Scientific™ Nalgene™ Heavy-Duty LDPE Funnels, the toughest large funnels available. Lighter weight than glass or metal funnels, these low density polyethylene funnels provide you with long-term use. Durable large funnels are designed for…

  • Buchner Filter Funnels

    Wilmad-LabGlass - SP Scienceware

    WUsed in applications where filter paper would be attacked by the material being filtered, these borosilicate glass Buchner filter funnels with sealed-in fritted glass discs are available in Coarse(C), Medium(M), or Fine(F) porosities.

  • MICROFILTRATION WITH GROUND JOINT The 90 mm filtration assembly with fritted glass support is designed for large volume filtration analysis of corrosive liquids or samples with high particulate loads that would tend to clog a 47 mm diameter filter.  This unit is also recommended for…

  • Polypropylene Buchner Funnels

    Thermo Scientific Nalgene

    Lightweight and durable Bottom and top can be separated for easier cleaning Autoclavable

  • Urbanti High-Speed Filter Funnels

    Bel-Art - SP Scienceware

    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)

  • Scienceware® Table-Top Buchner Funnels

    Bel-Art - SP Scienceware

    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…

  • BUCHNER FUNNEL

    United Scientific Supplies

    Good quality glazed porcelain. Acid and alkali resistant. Sold as eaches.

  • Filter Adapter Set, Neoprene

    United Scientific Supplies

    Set of seven neoprene adapter cones designed to fit Buchnew and fritter glass funnels, porcelain filters without headpieces, and for reverse flow cleaning for filter crucibles. Adapters can be used to support funnels, Gooch crucibles, filter tubes and other apparatus in filtration…

  • Scienceware® Heavy-Duty Funnels

    Bel-Art - SP Scienceware

    Durable, versatile, assorted sizes Sturdy, polypropylene funnels Ridges help prevent vapor lock Recommended highly for continuous labwork Steam autoclavable at 121°C (250°F)

  • Gravi-Seal 47 mm Analytical Funnel

    GVS Filter Technology

    Unique gravity-sealing design Two-piece construction One-handed operation Large membrane access points for forceps Available in polysulfone or polypropylene No clamps or locking devices to manipulate. Less expensive than stainless steel, glass or magnetic funnels, yet compare favorably with…

  • With fixed perforated plate Glazed except for rim

  • Increase Laboratory Efficiency with Ready-To-Use Disposable Filter Funnels Certified. Each lot is certified for microbiological analysis to provide added assurance of reliable results. Easy to use. Unique squeeze separation of cylinder from base allows easy access to membrane. Individually…

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