At the RV end of the hose, there is a super-tough bayonet fitting with 4 bayonets for a more secure fit. At the dump-station end weÕve added a translucent elbow that separates from the 4-in-1 adapter for easy storage. These are ready-to-use kits made with the toughest hose you can buy. Pre-attached swivel fittings feature locking rings so that your fittings stay secured. Bayonet cap and elbow cap also included. Patent Pending.