Camco
Camco Durable Sewer Cap with Hose Connection- Caps the Sewer Connection to Prevent Leaks, Easy Install and Simple Use (39463)
Lippert Components
Lippert Replacement Cap for Cam Lock Connector on RV Sewer Hose
Jadeshay
Jadeshay 90° RV Sewer Hose Elbow Connector with Lid, Easy to Install HDPE Connector for Yacht & RV Sewage Systems
TonGass
TonGass (2 Pack Universal Fit RV Sewer Hose Wrench with Gaskets(2 Bayonet+2 Elbow) - Multi-Tool Fit Most 3-Inch & 4-Inch Male/Female RV Sewer Cap - Connect and Disconnect Sewer Hose Fitting - Orange