DURAFLEX SEWER AND DRAIN FITTINGS • All Duraflex adapters, caps & fittings interchange with Valterra, Anonda & Larden fittings. • Slip sockets and spigots with flanges for attaching to drain valves. • Bayonet end for attaching 3" bayonet fittings to drain valves. • Made of durable ÜV-stabilized ABS. Straight Hose Adapter