"PARKWAY PLASTICS, INC."

This unbreakable plastic thistle tube is ideal for the high school laboratory. It has a two piece construction with the stem tightly fitting into the funnel. Stem O.D.: 6mm. Length: 290mm. Package of 12.

These clear funnels have long stems, smooth walls, and external ribs to prevent air lock.

Funnels feature short, wide stems, and are useful for adding powder chemical to reaction vessels.

Useful for adding powder chemical to reaction vessels.

Large industrial funnels made of polypropylene.

The top portion of these polypropylene, two-piece funnels are 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.

Made of borosilicate glass, with interchangeable plastic stopper and glass stopcock.

Dropping Funnels with PTFE Rotaflow needle valve stopcocks and sockets fitted with interchangeable plastic stoppers.

Ungraduated Gilson separatory funnels with ground cones, plastic stoppers, and PTFE key stopcocks, made of borosilicate 3.3 glass.

Ungraduated Gilson separatory funnels with ground cones, plastic stoppers, and glass key stopcocks, made of borosilicate 3.3 glass.

Dropping funnels with PTFE stopcocks and sockets fitted with interchangeable plastic stoppers.

Cylindrical dropping funnel made of borosilicate glass with a 100 ml capacity, equipped with a 19/26 plastic stopper and a needle valve stopcock for precise control during liquid dispensing, ideal for experimental setups and chemical processes.

Dropping funnels with glass stopcocks and sockets fitted with interchangeable plastic stoppers.

Separatory funnels with ground cones, plastic stoppers, and Rotaflow screw-type stopcocks, made of borosilicate 3.3 glass.

Pear-shaped separating funnel made of borosilicate glass with a 1000 ml capacity, featuring pressure equalizing capabilities, a 29/32 plastic stopper, and a PTFE key stopcock, providing optimal control and efficient liquid separation.

Pressure-equalizing dropping funnel made of borosilicate glass with a 100 ml capacity, featuring a 19/26 plastic stopper and PTFE key stopcock, allowing for efficient and controlled addition of liquids in various laboratory applications.