Sewer kits with RV standard bayonet fittings. A quick twist is all that's needed for simple and secure RV to sewer connections. Now changing hose lengths can be made without removing and re-attaching any fittings. Kits come with factory installed bayonet fittings that include a rotating fitting ensuring your hose lays flat after twisting fittings into place. Sold per each.Deluxe Sewer Kit, Length-20'