BK Resources Quick Disconnect Fitting for Gas Hoses, 1/2 Inch Diameter Quick Disconnect Fitting for Gas Hoses: .50 inches (1/2") Easily connect and disconnect gas hose from wall or appliance The Quick Disconnect fitting is ideal for equipment maintenance and cleaning ANSI Z21.41.2003, cCSAus Certified One (1) year Manufacturer's Warranty against any defects