Black Lug & Bayonet Sewer Hose Storage Caps by Camco®. 2 Pieces. Allow you to seal both ends of your sewer hose before storing it. One cap fits on the bayonet end of your sewer hose and the other fits on the lug end. Works with RhinoFLEX, RhinoEXTREME, Revolution, and Easy Slip sewer hose fittings. Comes in a set of two.