Product Details: The Bendix Remanufactured QR-1 Series Coreless Quick Release Valve is a high quality, durable valve designed to provide precise control of pressure in a variety of applications. This valve is made of a durable material that ensures an extended lifespan and is capable of delivering within 1 psi of control pressure to the controlled device in the standard configuration. It features a unique design that allows for quick and easy installation and removal of the valve core. FleetPride is your First Click in Heavy Duty®.