ECO valve specifications: This single control valve allows you to use the ECO valve with your hose. ECO valve works in conjunction with the swinging handle and female thread, making it extremely easy to operate. It also allows you to connect the hose, so you can solve the problem of loose hose when it comes to contact it. New Teflon gasket The rubber gasket never fly. We also have added an O-ring to make sure it is leak proof. Maintenance free control valve.