Make connecting your twenty pound tanks to your portable appliance, a breeze, with this hose assembly. Swivel 1 - 20 in Male Throwaway Cylinder Thread x Excess Flow Soft Nose P.O.L with Hand wheel Mr. Heater&';s most popular hose connects appliances that are designed for disposable cylinders to a 5 to 20 lb. cylinder Hand tighten swivel on both ends Hose material stretch tested to 400 psi Hose material pressure tested to 600 psi Solid brass fittings