Funnels

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  • 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

  • Funnels, Cold Addition, Airfree®, Schlenk

    Chemglass

    Used in the preparation of block copolymers or any chemical synthesis requiring high vacuum techniques. Funnel features a large diameter ring seal between the coolant container and the addition funnel body thereby reducing stress and permitting for use of a wide range of coolants, from ice-water to…

  • 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…

  • Instatherm Funnel, Addition

    Ace Glass

    Graduated Instatherm® addition funnel provides precise heating for reactor systems demanding heated or constant temperature for the added reactants. Funnels feature standard taper outer top joints and bottom PTFE stopcock inner joints. All funnels include a 9698-20 connecting controller cord.

  • Funnel, Pressure, Equalizing

    Ace Glass

    Cylindrical with standard taper joint top and bottom and drip stem. Stopcock has glass plug. Drip stem does not extend beyond joint, thereby eliminating possible source of breakage. For same funnel with 1:5 PTFE plug, see 9491.

  • 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…

  • Plastic Separatory Funnels

    Thermo Scientific Nalgene

    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…

  • 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…

  • Micro Weighing Funnels, Glass

    Radnoti

    Scoop-shaped, to function both as a weighing dish and as a transfer funnel Of borosilicate glass Listings give length x diameter in millimeters. Assortment includes one of each size funnel.

  • Long Stem Glass Funnels

    United Scientific Supplies

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

  • Safety Waste Funnel Systems

    Thermo Scientific Nalgene

    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…

  • 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…

  • 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. …

  • 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,…

  • Borosil® Short Stem Funnels

    Borosil

    Borosil® Short Stem Funnels are built for durability and long-term use. Funnels have 60° bowl angles for perfect fit with filter papers. Used for filtration and decanting of a wide variety of liquids. Built from Borosil's world-renowned 3.3 borosilicate, low-expansion,…

  • Single CytoSep™ Cytology Funnels

    Simport

    Fully compatible with the Shandon CytoSpin® Centrifuge, Simport CytoSep™ Cytology Funnels can be used to deposit a thin layer of cells in a clearly defined area of a microscope slide. The filter card absorbs any excess fluid. These Cytology Funnels have the filter cards pre-attached 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.

  • PYREX® Squibb Separatory Funnels With Plastic Stopper

    Corning

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

  • 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. …

  • Polypropylene Powder Funnels

    Thermo Scientific Nalgene

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

  • 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…

  • Thistle Tubes

    Bel-Art - SP Scienceware

    Make additions to burettes and narrow neck containers easily with this flared top thistle tube. Polypropylene plastic; chemical resistant, unbreakable, safe Steam autoclavable at 121°C (250°F) Dimensions: 27mm (1-1/16") I.D. top with a 41mm (1-5/8") O.D. flare …

  • 1-1/2" Stem Powder Addition Funnels

    DWK Life Sciences (Kimble)

    KIMAX® funnel with a short, wide stem Constructed with a heavy uniform wall and a strong, fire-polished rim and stem to provide a long service life Funnel has a high resistance to chemical attack and mechanical and thermal shock Designed from ASTM Specification E1095, Type IV…

  • 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

  • Borosilicate Glass Buchner Funnels

    United Scientific Supplies

    Manufactured from thick walled borosilicate glass, funnels include a beaded rim and a fritted disc with coarse, medium or fine porosity.

  • Buchner Filter Funnels

    Chemglass

    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…

  • 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…

  • Vacuum Filter Holder Set with PTFE-Coated Funnel & Base

    United Scientific Supplies

    Designed for bacteriological analysis where it is necessary to sterilize the filter holder with the membrane filter in place. The glass surface is coated with PTFE to avoid filter damage and membrane adhesion during autoclaving. Complete set includes a PTFE-faced borosilicate glass funnel and…

  • Borosil® Pear-Shaped Glass Separatory Funnels

    Borosil

    Borosil® Separatory Funnels use a self-lubricating, replaceable PTFE stopcock that does not require grease or lubrication in order to achieve fine, smooth control of flow. Glass pennyhead stoppers included. Borosil® Boroflo Separatory Funnels has best performance in the world. …

  • 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.…

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