"STEM kits"

For filling burets. Diameter: 35 mm; total length: 60 mm; outside diameter of stem: 6 mm.

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.

Add liquids safely to flask setups while keeping apparatus assembled.

Resists Virtually All Chemicals