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…

Separatory Funnel, conical Shape with PTFE Stopcock and Plastic Stopper.

Designed for analyzing particulate contamination of hydraulic fluids and oils using gravimetric or particulate counting methods and can be used in exfoliative cytology applications. Complete set includes a borosilicate glass funnel and base, anodized aluminum spring clamp, stainless steel support…

Manufactured with 304 Stainless Steel, United Scientific™ REUZ™ (“re-use”) Stainless Steel Funnels include an air channel engineered for smooth, easy flow. Useful in laboratory or factory environments, the versatile funnels can be used with most liquids and powders. Carefully constructed, the…

Providing excellent clarity and strength, this pear-shaped funnel has a leakproof threaded screw cap. The Polypropylene stopcock, fitted with a self-lubricating PTFE plug, is push-fitted to the stem of the funnel. Not Graduated.

These polypropylene 2-piece funnels are lightweight, easy to clean and autoclavable. The top portion snaps into the lower one forming a vacuum seal that does not require greasing. The base of the top portion has a perforated filter plate.

Polypropylene funnels have short, wide stems for convenient use with powders. Autoclavable

Available in three sizes, these funnels have eight internal ribs to facilitate filtration. They are made of polypropylene. Funnel Assortment These funnels have eight internal ribs to facilitate filtration. They are made of polypropylene and includes one each of the 35mm, 52mm, and 65mm funnels.

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…

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

A good quality Polyethylene powder funnel for general lab use. Dimensions are 23mm stem diameter, 105mm top diameter, and 95mm overall length. Capacity is 150ml.

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…

This non-corrosive separatory funnel holder, molded in PP, has a front opening which provides clear view of the solution and allows unobstructed placement of separating funnels. Two tapered wedges are provided to ensure firm grip on rods measuring 1/2" or 3/8" diameter.

Heavy Duty Polypropylene industrial funnels include a molded in handle. Designed to provide convenient filling of carboys, drums, and barrels.

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

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…

These powder funnels feature wide, short stems. The 65mm and 125mm sizes are made of HDPE, and the 85mm size is made of PP.

These long stem funnels have smooth walls, 60 degree cone angle, and external ribs to prevent air lock. Molded in Polypropylene, these clear funnels can also be autoclaved.

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

Includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of porcelain is heat…

These autoclavable, table-top Buchner funnels are ideal for vacuum filtration. Includes a tubulated side outlet and accepts standard filters. The 750ml size is 60mm tall, 147mm in diameter, requires 125mm filter paper and the side outlet is 5/8" (16mm).

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. …

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,…

This non-corrosive funnel holder, molded in PP, can hold funnels with diameters of 3" to 6". The extra plate provided can be placed to hold funnels having diameter 1" to 3". Two tapered wedges are provided to ensure firm grip on rods measuring 1/2" or 3/8" diameter.

Manufactured from 304 Stainless Steel, United Scientific REUZ™ (“re-use”) Beakers with Handles feature graduations stamped into the inside wall for easy reading of volumes in milliliters or ounces. Include a pouring spout and large, comfortable stainless steel handle. The corrosion-resistant…

Buchner funnel includes fixed perforated plate. Funnels are glazed on inner and outer surfaces except for the rim. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at 1050°C. Every batch of…

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,…