"LW Scientific"

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

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

Useful for adding powder chemical to reaction vessels.

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

Medium weight with wide flared top.

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