"United Scientific Supplies"

Useable With or Without Filter Paper.

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

Useful for adding powder chemical to reaction vessels.

Buchner Funnels for filtering hot or cold solutions.

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

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.