"STEM kits"

Standard for any laboratory.

These funnels are available in a variety of different diameter openings.

These funnels are made from borosilicate glass and have a short stem.

Büchner funnels with straight sides and fixed perforated plates made of glazed porcelain.

Industrial quality powder funnels made of heat tolerant and chemically-resistant polypropylene, with parallel stems.

Polypropylene separatory funnels have a screw cap and key stopcock fitted with a self-lubricating PTFE plug.

Graduated Squibb separating funnel made of borosilicate glass with a 500 ml capacity, equipped with a 24/29 plastic stopper and glass key stopcock, enabling precise separation and extraction techniques in laboratory experiments.

Borosilicate glass powder funnel with an 85 mm diameter and a 60° angle, featuring a plain stem of 24 mm, facilitating smooth and accurate powder transfer in laboratory settings.

Büchner funnels with G3 porosity sintered discs made of borosilicate 3.3 glass.

Designed for Long Life and Maximum Safety

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.

A rugged borosilicate funnel with stem length approximately equal to funnel diameter. These funnels have a 58° angle. Top dia.: 65mm. Filter size: 11cm. Package of 12.

Quality, heavy walled borosilicate funnels with reinforced edge. The inside angle is approximately 60° and the stem length is 150 mm.

Polypropylene funnel is chemical resistant and Steam autoclavable at 121 degrees Celcius.

These large utility funnels will withstand temperatures up to 250°F (121°C).

Medium weight with wide flared top.