Filtering Funnels

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  • Vacuum-Type Glass Membrane Holders

    GE Healthcare

    For general purpose vacuum filtration Borosilicate glass funnel body and stem are attached securely by quick-action spring clamp of anodized aluminum Easily disassembled for loading, cleaning and autoclaving Include single-hole silicone rubber stopper

  • 3-Piece Filter Funnels

    GE Healthcare

    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…

  • Sigma-Aldrich® vacuum filtration assembly

    MilliporeSigma

    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…

  • Porcelain Buchner Filter Funnels

    CoorsTek

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

  • 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,…

  • 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…

  • Magnetic Filter Funnel, 300 mL

    Hach

    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).…

  • Buchner Funnel Filter Paper Disks

    Bel-Art Products

    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…

  • PYREX® Brand Funnels

    Corning

    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…

  • PYREX Buchner Filter Funnels With Fritted Glass Disc Design

    Corning

    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…

  • Ultra-Ware All-Glass Microfiltration Apparatus

    DWK Life Sciences (Kimble)

    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…

  • 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…

  • 47mm Magnetic Filter Funnels

    Pall Life Sciences

    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…

  • 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. …

  • PYREX® Brand Fluted Funnels, Short Stem

    Corning

    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…

  • ULTRA-WARE® Microfiltration Assembly with Fritted Glass Support and Ground Joint…

    DWK Life Sciences (Kimble)

    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 filtering large volumes of HPLC solvents. …

  • Scienceware® Table-top Buchner Funnels

    Bel-Art Products

    Filter large volumes quickly Polyethylene funnels, available is either Fritware® or Perforated filter plate. Contains a removable hose barbed connector that accepts 12.7mm (1/2") I.D. tube and threads into 3/4" NPT bung on the funnel. Fritware® Porous Filter Plates Fixed or…

  • 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

  • Porcelain Hirsch Style Funnel

    CoorsTek

    With fixed perforated plate Glazed except for rim

  • 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…

  • Filter Funnel With Dark Membrane

    Thermo Scientific Nalgene

    Nalgene 147 Membrane meets EPA requirements for water quality work Cellulose nitrate black membrane filter is perfect for detecting micro-organisms difficult to see on white membranes. Graduated, 100 mL upper chamber provides sample accuracy and convenience. “Peel away” upper…

  • SYNTHWARE Buchner Filter Funnels

    Kemtech America

    Buchner Funnel, Fritted Disc Capacity: Multiple capacities available ranging from 2-600mL Disc OD: 10-90mm available Porosity: Xtra Course, Coarse, Medium, and Fine available Not recommended for filtration where pressure will exceed 15 psi

  • Scienceware® Buchner Funnels, Two-Piece

    Bel-Art Products

    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

  • 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.

  • Hirsch Fritted Disc Funnels

    Corning

    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…

  • Urbanti High-Speed Filter Funnels

    Bel-Art Products

    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)

  • Polypropylene Buchner Funnels

    Thermo Scientific Nalgene

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

  • Scienceware® Heavy-Duty Funnels

    Bel-Art Products

    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…

  • Long Stem Glass Funnels

    United Scientific Supplies

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

  • 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…

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