The City water inlet adapter kit Converts your RV water inlet to a quick connect system. The easy-to-use water inlet system allows you to attach a garden hose with one Simple quick and disconnect and attach a spray nozzle and then reconnect back to your RV without turning off the water or screwing on and off attachments. The seal-proof cap seals the valve securely using a sealing ring that is protected from abrasion preventing bacteria from interring the water inlet which can compromise your drinking water. It is a quick-connect cap that protects the valve and provides a decorative appeal to your RV and securely seals the valve shut. This is the only system with a quick connect inlet that makes connecting and disconnecting to your plumbing system or water holding tank simple. Visit us at https://easyflowflushing.com/product/ez-city-water-inlet-rv-adapter-kit/