Permits use of larger, refillable, propane tanks with appliances designed to use 1-lb (450 g) disposable propane fuel canisters. Hose is 6ft. Completely leak tested, handwheel POL fitting screws into un-regulated propane tank, high pressure fitting at other end fits directly into regulator on the appliance.Β **This hose is ONLY compatible with the Del Mar Grills.