The Mr. Heater 8 Oil-Free Propane Hose Assembly features a Type-1 tank connection assembly for connecting a small, portable camping appliance to a refillable 20-lb. to 40-lb. propane cylinder. Includes Swivel 1 x 20" Male Throwaway Cylinder Thread x Swivel 1 x 20" Female Throwaway Cylinder Thread. Connects appliances that are designed to be connected to 1-lb. bottles to 5- to 20-lb. tanks. Used with most distribution posts or T and Y connectors as well as 1lb. disposable cylinders. Hose material stretch tested to 400 psi. Hose material pressure tested to 600 psi. Brass fittings. Made in the U.S.A.