"STEM kits"

Ideal for filling burets and other narrow laboratory apparatus. The top diameter (ID) is 35 mm and stem diameter is 8 mm. Package of 12.

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

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.

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

Standard for any laboratory.

Heavy glass with raised ribs inside.

Useful for adding powder chemical to reaction vessels.

Resists Virtually All Chemicals

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.

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