Valterra Waste Hose with Bayonet Fittings 1 1/2" x 15'Valterra's 1 1 2" x 15' Waste Hose with Bayonet Adapters is 3m long and 38mm wide and is used to empty your waste water tank. It is a compact solution for your weekend and vacation RVing. The hose has bayonet fittings on both ends and is more flexible than most other current competitors. Benefits & Features Length: 3m hose when fully stretched Valterra 1 1 2" (38mm) dump hose Bayonet fittings at both ends Far more flexible than many current systems