Description Features a push-pull ring for quick and easy connection and disconnection of hose and hose-end attachments and the most water flow of any quick-connector system. Heavy-duty, solid brass construction. May be used with water shut-off valves for on/off water flow control. Push-pull ring for easy connection and disconnection Most water flow of any quick-connector system Heavy-duty, solid brass construction May be used with water shut-off valves for on/off water flow control