Addition funnel, low-temperature, glass stopcock

The glass jacket on this addition funnel permits one to cool the contents of the funnel using Dry Ice. It has a handy 8 mm O.D. drain outlet and a pressure equalizing arm. The top outer and bottom inner joint are both the same size. The glass stopcock has a bore of 2 mm. For air-sensitive materials consider item AF-0552. The replacement stopcock is the CG-400-96.