Filtering Funnels

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  • 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…

  • Vacuum Filter Holder Set, 90mm

    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,…

  • Distilling Head, Magnetic

    Ace Glass

    Magnetically operated swinging funnel type, with iron slug totally enclosed.This head maintains reflux ratio constant with changing throughput. The vapor bypass is designed to give accurate thermometer readings. Tapered bulb condenser increases capacity without choking. Side arm joint is…

  • 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…

  • 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.

  • MicroFunnel™ Filter Funnels

    Pall Life Sciences

    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. …

  • Funnel Addition, Jacketed

    Ace Glass

    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

  • 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…

  • Microanalysis Vacuum Filter Holder Set, Fritted Glass

    United Scientific Supplies

    Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a fritted glass 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…

  • 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…

  • Funnel, Filter, Hirsch

    Ace Glass

    Useful where it is necessary to wash the precipitation and redissolve with chemicals which would attack filter paper. Angle of funnel 60 degree.

  • Filter Funnel, Threaded

    Thermo Scientific Nalgene

    Polysulfone Durable and non-toxic Screw-type closure holds membrane in place Autoclavable Can be used with any filtering flask or manifold that accepts a suitable rubber stopper with hole. Includes one easy-to-use, no-twist Nalgene® vacuum gasket, which can replace a No. 7 or 8 rubber…

  • Porcelain Hirsch Style Funnel

    CoorsTek

    With fixed perforated plate Glazed except for rim

  • 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…

  • Microanalysis Vacuum Filter Holder Set, Stainless

    United Scientific Supplies

    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…

  • Micro Funnel, PP, 35MM

    Hach

    Ideal for micro work, filling burets, manometers, and small bottles. Steam autoclavable at 250°F (121°C).

  • 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

  • PYREX® Brand Fluted Funnels, Long Stem

    Corning

    Inside flutings for rapid filtration 60° angle permits accurate fitting of filter paper. Long 150 mm stem. Strong beaded edge. Depressed inside flutings further decrease filtering time.

  • PYREX® Brand Fluted Funnels, Short Stem

    Corning

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

  • Funnel-Reservoir, Rate Measuring with PTFE Plug, T Bore

    Ace Glass

    Cylindrical, graduated reservoir permits determination of volume added at any time during pumping cycle. By stopcock manipulation, material may be pumped from graduated (10mL in 0.1mL) side tube only. This permits obtaining accurate pumping rate over short periods of time. Top joint is 24/40 outer.…

  • 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…

  • 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.

  • Table-Top Buchner Funnels with Medium Porosity Fixed Filter Plates

    Bel-Art - SP Scienceware

    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…

  • Table-Top Buchner Funnels with Perforated Removable Filter Plates

    Bel-Art - SP Scienceware

    Table-top Buchner funnels with coarse porosity (90-130 microns) with a removable punctured filter plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick. Holes are 4.8mm (3/16") diameter on 11mm (7/16") centers. A removable filter plate allows easier cleaning and…

  • Funnel Filter Buchner Fritted Medium 2000ml

    DWK Life Sciences (Kimble)

    This Buchner KIMAX® funnel is used wherever filter paper and membranes cannot withstand the chemical attack of the filtrate. Funnels are constructed with heavy-walled stems, and top rims are beaded for extra strength With a marking spot With KIMFLOW® fritted disc …

  • 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).…

  • Microsart @filter

    Sartorius

    Ready-to-use, sterile system combining gridded membrane filter and funnel with a click-fit closure all in one unit. Specifically developed for the detection and enumeration of microorganisms in pharmaceuticals, cosmetics, food, beverages, water and other liquids. Microsart @filter units are…

  • Filterware™ Microfiltration Glassware

    Wilmad-LabGlass - SP Scienceware

    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.…

  • Funnel, Filter, Buchner

    Ace Glass

    Buchner filter funnel featuring a standard taper, drip-tip bottom joint and a vacuum source hose connection. Available in various sizes and porosities.,/p>

  • Buchner Filter Funnels, Extra Capacity

    Chemglass

    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.

  • Funnels, Addition, Cooling Jacket, Glass Stopcocks

    Chemglass

    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.

  • Funnel, Powder, Flat Side

    Ace Glass

    Powder funnel with standard taper joint and one flattened side for easy of use with multi-neck flasks.

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