"dead SCIENTIFIC INC."

Heavy glass with raised ribs inside.

Funnels are made of durable plastic. Funnels of top inner diameter 70-108 are polypropylene and autoclavable. Funnels with top inner diameter of 127 and 165 are polyethylene and not autoclavable.

The 165 mm size has a wide stem for quick transfers.

Various sizes. Packages of 100.

These large utility funnels will withstand temperatures up to 250°F (121°C).

Various sizes. Packages of 12.

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.

Each set includes three funnels of different sizes. Small funnels are made of polypropylene; large funnels are made of polyethylene. Sizes in small funnel set: 60 mm top dia. x 20 mm stem, 80 mm top dia. x 22 mm stem, 110 mm top dia. x 36 mm stem. Sizes in large set: 127 mm top dia. x 45 mm stem, 160 mm top dia. x 50 mm stem, 200 mm top dia. x 60 mm stem.

Useful for adding powder chemical to reaction vessels.