... OEM/ODM service for valves and fittings 1 Full Brass body and nut, solid than plastic ones, ... use, both work for copper, aluminium, Steel, PEX, multilayer pipes etc 4 Unique Double O-Ring ... pipes for copper, plastic Simple but solid structure of brass push-in fitting. Size avaible from 10mm, 15mm ... , 22mm, 28mm to EN1254Also16mm and 20mm to PEX and other pipe; special dimension under 28mm welcomed ...