Filtering Funnels & Adapters

Delivering precision and durability, these long stem glass funnels by United Scientific Supplies are an essential component for any laboratory. Ideal for filtering experiments, these glass funnels offer a long stem design that allows for easy insertion into narrow openings. Made from high-quality,...

For standard filter papers Body is at 60° angle with internal ribs at 58° for rapid filtration Outside ribbing eliminates air lock Autoclavable

The CoorsTek Buchner funnel is used for separation and filtration of solids from liquids. The fixed perforated plate at the bottom contains small pores that allow the liquid to pass through while retaining the solid particles. It has glazed inside and out except for rim. Ceramic Buchner funnel...

Good quality glazed porcelain. Acid and alkali resistant. Sold as eaches. Expedite your laboratory filtration process with this high-quality Buchner funnel. Designed for durability and precision, this funnel is an essential component for any lab conducting regular filtration tasks. It's made to...

Caplugs Evergreen funnels feature internal ribs to promote faster flow and external ribs to help prevent airlock. Polystyrene (PS) funnels are appropriate for use with mild acidic or alkali solutions. Polypropylene (PP) funnels are suitable for use with organic solvents and stronger acids and...

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 accepts syringe filters. Tubing...

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...

Ensuring precise and spill-free transfer of liquids in your lab is made easy with this 100 mL funnel. Constructed to provide reliable performance, the funnel is perfectly sized for diverse lab applications. Its sturdy design ensures extended durability, making it a valuable addition for any...

Table-top Buchner funnels with medium porosity (45-90 microns) (90-130 microns) 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. The high density polyethylene rigid plate is 4.8mm (3/16")...

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

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...

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 purification, particulate...

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 being filtered. The disc...

FILTER FUNNEL || Filter funnel measuring 2" wide. Useful for separating solids from liquids, as well as for easier transfers of liquids to narrow mouthed containers INDUSTRIAL QUALITY || Made of chemical resistant polyethylene plastic 1.9 INCH STEM || Funnel stem measures 1.9" in length and has an...

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. Supplied with a coarse...

MICROFILTRATION WITH GROUND JOINT 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...

KIMAX funnel constructed with heavy uniform walls and strong, 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 58 º funnel angle is a Kimble exclusive, formed to an exact angle for rapid filtration...

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. Parts...

Cylindrical style addition funnel with a PTFE adjustable bore metering plug. Turning the adjustment knob allows flow rate to be controlled from dropwise to full flow. For replacement stoppers see CG-3000.

The 90 mm filtration apparatus with stainless steel support is recommended when filtering large volumes of viscous or proteinaceous solutions to give the maximum flow rate. This unit is also used to produce ultra clean filtrate since the screen will not shed particles into the filtrate Each...

Funnel adapters for use with 145 and 147 series analytical test filter funnels, bulk-packed Polypropylene, non-sterile

Jacketed version of 7297 series addition funnels. Jacket runs from shoulder at top of vessel to above the PTFE stopcock. Has size D hose barbs for 3/8in ID tubing. Pressure equalizing arm runs from top of vessel to just below the PTFE stopcock. Graduat

The 90 mm filtration apparatus with replaceable fritted glass support is recommended for large volume filtration analysis of corrosive liquids or samples with high particulate loads. The glass support disc can be replaced if it becomes clogged or if sample-to-sample contamination is a concern Like...

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 stopper with a...