Emission protection drum adapter, polypropylene, for pump unit Ø 41 mm, thread G 2''. Supplied = assembled. Material = polypropylene. Product type = accessories for pumps. No leakage of aggressive fumes into the environment. Effective protection from a health hazard. A vacuum in the drum is equalised by valves. The emission protection drum adapter has a 2'' thread, and therefore fits 60 and 200 l steel drums. For pump unit Ø 41 mm. When used with plastic drums or plastic canisters, they can be combined with the nine coloured thread adapters.