Funnels

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  • 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…

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

  • 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…

  • 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…

  • 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 FUNNEL

    United Scientific Supplies

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

  • Analytical Funnels

    Globe Scientific

    Heavy-duty polyproylene (PP) analytical funnels are perfect for use in Analytical Chemistry applications. Funnels feature long, narrow stems, making them idea for use with liquids. Funnels have internal and external ribbing to prevent air lock. Funnels are angled at exactly 60° for rapid…

  • 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,…

  • 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.…

  • 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…

  • 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).…

  • 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. …

  • 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.

  • 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

  • Sintered Funnels

    GSC International, Inc.

    These borosilicate glass Sintered Funnels have a porous filtering plate. They come in three sizes and two levels of porosity . PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects,…

  • Glass Separatory Funnel Kits

    Across International

    Introducing the new Ai separatory funnel kits with all PTFE valves. A separatory funnel, also known as separation funnel, separating funnel, or colloquially sep funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two…

  • 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…

  • 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. …

  • Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 25-1000mL available, Joints: 14/20 or 24/40 available, Stopcock Bore: 2 and 4mm available. Funnels come with PTFE stopcock in pressure equalizing line.

  • 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…

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

  • Teflon® stopcock plug fits into the micro-finish barrel Plug reduces freezing problems and grease contamination

  • Unique Magnetic Seal Allows Easy, One-Handed Vacuum Filtration of Liquids No-leak magnetic seal allows one-hand operation.   Polyphenylsulfone construction is compatible with anti-foaming agents and many other solvents. Convenient.  150 mL size allows for easy fit into small…

  • 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…

  • Plastic powder funnels feature a wide stem and are autoclavable. Powder funnels are translucent and allow for the passage of larger particles. Economical, fast and efficient powder funnels. Set contains 2 each sizes: 65, 100, 150. All sizes of 342555 series powder funnels except…

  • Simple design, reliable dispense Easy to load — Simple loading and unloading of refill pack at any point during use. No jamming — Guide plates assist loading and keep refill web in alignment during use to avoid jamming of the instrument. Soft touch keypad —…

  • Short Stem Funnels

    GSC International, Inc.

    These funnels are made from borosilicate glass and have a short stem. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

  • 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 …

  • Ensure complete sample transfer with these disposable antistatic polypropylene weighing funnels that are designed to fit in volumetric flasks. One side of the funnel is flattened so you can set the funnel flat on a balance. Micro funnel is designed to fit microwell plates. Please note that…

  • 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

    SP Wilmad-LabGlass

    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.

  • Powder Funnels

    Globe Scientific

    Heavy-duty polypropylene (PP) powder funnels feature a large bore, making them ideal for use with powders, larger particles and viscous liquids. Funnel has molded external ribbing to prevent air lock. Funnels are angled at exactly 60° for rapid filtration. Powder funnels accommodate standard…

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