Catalog

Unsurpassed for non-vacuum, high-speed filtration, these clear funnels have internal helicoid ribs to increase the filtration speed. Vertical outer ribs prevent airlock.

Formula	CH7N2O5P
Molar mass	158.05 g/mol
CAS number	4861-19-2

The Vac-Ring™ seal fits Buchner funnel stems and seals off the filter flask mouth to prevent air leaks during vacuum filtration.

Formula	C5H10O2
Molar mass	102.133 g/mol
CAS number	109-52-4

This glass Venturi tube is 7" long and 3/4" in diameter with a constriction at the center, and three vertical tubes.

Reduces Breakage, Floating and Spillage.

Soft lead sheet coated with Vikem® flexible vinyl has many uses for stabilizing laboratory equipment in water baths or any application where extra weight is needed.