Mr. Heater Propane hose assembly is most commonly used by campers and boaters to connect portable appliances to 20-lb. tanks. Acme nut features 1"-20 male throwaway cylinder thread. Designed to be weather-resistant to provide years of dependable use. Hose measures 12' long. Weather-resistant construction Designe to provide years dependable use | Mr. Heater 12' Propane Hose Assembly with Acme Nut