15' Viper Sewer Drain Kit. The Viper is the toughest drain hose on the market. Step on it and it bounces back, drag it and it will not leak, poke it and it shows you how difficult it is to puncture, expose it to UV without problem. It is virtually indestructible. Indestructible hose that bounces back when stepped on. New super tough rubberized plastic 26 mil over the wire for leak protection Easily compresses and stays compressed for storage. Completely assembled with rotating bayonet fittings attached kit includes Universal sewer adapter for gas tight connections.