Drum screw connection, polypropylene, pack of 5, for pump unit Ø 41 mm, thread G 2''. Supplied = assembled. Material = polypropylene. Product type = accessories for pumps. Secure attachment in the drum bunghole. No contamination of the medium from the outside. Increases the service life of the drum pump. The five drum screw connections have a 2'' thread and therefore fit 60 and 200 l steel drums. When used with plastic drums or plastic canisters, they can be combined with the nine coloured thread adapters.