Filter Flask Stopper

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Filter Flask Stopper
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  • No. 8 Perforated Stopper

    MilliporeSigma

    Designed for use with 1L and 4L vacuum filtering flasks and 47mm vacuum filter holder assemblies 100% Silicone Material Perforated, 1-hole accepts filter holder assemblies and tubing Pack of 5

  • …the flask through a ground joint or rubber stopper. The applied vacuum facilitates the filtration process. These flasks have permanent blue enamel marking spots. The filtering flask is designed to ASTM E-1406 Type 2. Heavy Wall Filtering Flasks These PYREX® VISTA™ filtering flasks

  • Neoprene filter adapters are designed to fit between a filtering funnel and a flask. For use with Buchner funnels, Gooch crucibles, filter tubes, etc. Can be used individually or nested with adjacent sizes. Eliminates the boring of rubber stoppers and the difficulties of inserting and removing glass…

  • Filter Flask with Stopper Joint

    Wilmad-LabGlass - SP Scienceware

    This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

  • …heavy wall flasks have a seated bent, removable plastic tubulation in a grommet. Should the flask be upset, the grommet acts as a shock absorber. For convenience, the flasks are graduated to show approximate capacity. The neck finish affords an excellent fit for rubber stoppers. Tubulation O.D.…

  • Small filtering flasks are recommended for microchemical use All flasks have permanent white-enamel marking spots Takes rubber stopper No. 3; 50 mL size, No. 4; 125 mL size, No. 5

  • …funnel and PTFE-faced base, anodized aluminum spring clamp, and perforated silicone stopper. Parts are also available seperately. Filter Diameter: 47mm, Filtration area is 9.6cm². Capacity: Funnel: 300ml, Flask: 1L. Outlet fitting: 6mm (1/4") O.D. tubulated cap sidearm to vacuum. Prefilter…

  • Gravi-Seal 47 mm Analytical Funnel

    GVS Filter Technology

    …their performance. A unique, gravity-sealing design prevents filter bypass or sample leakage when using depth filters. Graduations up to 350 mL in 50 mL intervals. The No. 8 stopper mounts in a standard 1 liter filtering flask or in multi-position manifolds. The polysulfone unit has a dustcover,…

  • KimCote® Filtering Flasks

    DWK Life Sciences (Kimble)

    …of toxic or corrosive chemicals The plastic safety coating is steam-autoclavable The 125mL flask has a No. 5 stopper joint The 1, 2 and 4 liter flasks have a No. 8 stopper joint All flasks have a side arm for connection to 3/8” (6 mm) ID flexible tubing Manufactured from 33…

  • …100, 500, or 1000 mL. The 13mL/100mL  features a two-part ground glass funnel for concentrating samples. The 13mL micro funnel mounts directly over the membrane. The No.5 silicone stopper mounts in a standard 125mL filter flask. Unit includes: Funnel, Sintered glass base, Clamp, Stopper

  • Sterile Disposable Filter Funnel Unit

    Thermo Scientific Nalgene

    …diameter filter with grid Ideal for use with filtering flasks or manifolds Convenient snap-away design with removable membrane; funnel marked at 100 mL Safer and easier to use than cumbersome glass and metal funnels Each package contains a Nalgene vacuum adapter to replace a stopper

  • …glass filtration apparatus accomodates 25mm membrane filters. The new design utilizes a nylon Ace-Thred adapter to join the glass funnel, filter flask and fritted disc together. This design eliminates the need for the clamping device, stopper and base. The unit is easy to assemble, disassemble and…

  • …aluminum clamp, fritted glass support base and filtration flask. Joints are Standard Taper 40/35. Recommended when filtering viscous or proteinaceous solutions to give the maximum flow rate Produces an ultra-clean filtrate Two filter sizes available: 47 or 90 mm Stainless steel…

  • Filterware™ Microfiltration Glassware

    Wilmad-LabGlass - SP Scienceware

    …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. For use with BP-1827 filter flasks, sold separately. NOTE: Aluminum Clamps BP-1753-000, BP-1753-090 and…

  • Deluxe Chemistry Hardware Assortment

    United Scientific Supplies

    …35ml (1), Filter Paper, 9cm dia, pk/100 (1), Flask, Boiling, 100ml (1), Flask, Boiling, 250ml (1), Flask, Erlenmeyer, Glass, 250ml (1), Flask, Erlenmeyer, Glass, 500ml (1), Flask, Volumetric, w/stopper,250ml (1), Laboratory Apron (1), Mortar & Pestle, 90mm (1), Rubber Stopper, #1, solid (6),…

  • 47mm Magnetic Filter Funnels

    Pall Life Sciences

    …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 connection. Dual magnets ensure a tight, no-leak seal between the funnel…

  • Clamp Style Polysulfone Filter Funnels

    Thermo Scientific Nalgene

    …yet allows easy access for retrieval and replacement of membrane. Clamp allows one-handed operation. Funnel may be used with any filtering flask or filter manifold which has a No. 8 rubber stopper with a 9/16” (15 mm) hole. Funnel and clamp, Thomas number 4618Q60, also available separately.

  • Crucible Holder

    Plasticoid

    … A combination rubber stopper and crucible holder with glass funnel insert Dimensions 57 mm length, tapered from 38 mm diameter at top to 22 mm diameter at bottom; length of tapered portion 35 mm Fits 4948F21 and 4948H23 series Filter Flasks, 125 to 1,000 mL capacity, inclusive.

  • Filter Assy 90mm w/2L Flask

    DWK Life Sciences (Kimble)

    …contamination that can occur when using silicone or neoprene stoppers Each apparatus is supplied with 1000 mL funnel, 90 mm glass support base, 40-60 micron porosity fritted glass disc, anodized aluminum clamp and filtration flask Manufactured from 33 expansion, low extractable borosilicate…

  • …Silicone cover, KS13 filter holder with injector needle, PTFE stopcock, and 1/4"ID silicone tubing(21"L). The anodized aluminum clamp secures the membrane between the funnel and sintered glass frit base. The No.8 silicone stopper mounts in a standard 1L vacuum filter flask or manifold cup.…

  • 125 ml Flask, Filter, Grad, No 5 Stopper Jt

    DWK Life Sciences (Wheaton)

  • …in three graduated funnel capacities 15, 150, or 300 mL. The No.5 silicone stopper mounts in a standard 125mL vacuum filter flask.  Unit includes: Funnel, Base/Support(gasket w/ screen), Clamp, Stopper Please Note: ALL Advantec items have a maximum 48 hour cancellation window.…

  • KIMAX Narrow Mouth Erlenmeyer Filter Flasks

    DWK Life Sciences (Kimble)

    … ASTM Specification E 1406, Type I With capacity scale 250 mL flasks take rubber stopper No. 6; 500 mL flasks take No. 7; 1,000 mL flasks take No. 8; 2,000 mL flasks take No. 9; 4,000 mL flasks take No. 12. Flasks are fabricated from molded heavy wall for strength and have a beaded bottom…

  • filter acidic solutions at a higher flow rate. Available in four graduated funnel capacities 100, 300, 500, or 1000 mL. The No.8 silicone stopper mounts in a standard 1L vacuum filter flask or manifold cup. The optional 2" glass extention allows for physical separation of the 47mm filters

  • Filter Assy 90mm w/4L Flask

    DWK Life Sciences (Kimble)

    …contamination that can occur when using silicone or neoprene stoppers Each apparatus is supplied with 1000 mL funnel, 90 mm glass support base, 40-60 micron porosity fritted glass disc, anodized aluminum clamp and filtration flask Manufactured from 33 expansion, low extractable borosilicate…

  • Vacuum Gasket for Filter Funnels

    Thermo Scientific Nalgene

    Replace #7 or #8 stoppers in any manifold or filtering flask with the Thermo Scientific™ Nalgene™ Vacuum Gasket for Filter Funnels. Permits filter funnel to slide quickly and easily in and out of gasket. These filtration products offer reliability, accuracy and safety for many research…

  • HEAVY WALL Erlenmeyer shaped filtering flask with standard taper outer joint and serrated hose connection for attachment to vacuum source. For stoppers see CG-3000.

  • Funnel / PTFE Supp Assy 47mm

    DWK Life Sciences (Kimble)

    …and a #8 silicone stopper PTFE coating prevents membrane from adhering to ground glass surface Funnels are graduated from 100 to 250 mL in 25 mL increments Prefilter size is 35 mm Approximate filter area is 9.6 cm² Connection to our 1 liter filtration flask (available as an…

  • …support, the ground joint connection eliminates the possible phthalate contamination that can occur when using silicone or neoprene stoppers. Each apparatus is supplied with funnel, anodized aluminum clamp, stainless steel support screen, PTFE gasket, 47 mm glass support base and filtration flask.

  • Filter Flask, Safety Coated

    DWK Life Sciences (Wheaton)

    Glass components manufactured from WHEATON 33 low extractable borosilicate glass that conforms to USP Type I and ASTM E 438 Type I, Class A requirements Flasks have a #2 hose connection for 1/4 (6mm) I.D. tubing Plastic coated for safety Not Graduated No. 8 Stopper opening

  • Filtering Flask Kit (Vacuum Pump Kit)

    GSC International, Inc.

    The Gas Generating Bottle is useful in the production of gasses and provides a funnel tube and a connecting tube. Includes a 500ml capacity Bottle, 2-hole Rubber Stopper, Thistle Tube and a 90 degree angle connector tube.

  • Extra heavy, unmarked blanks for fabrication of filter apparatus. Top has a tooled finish to accept a rubber stopper or neoprene filter adapter.

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