12' Hose Assembly works with everything from 1-lb. disposable cylinders to 20-lb. tanks. Includes hand-tighten swivels on both ends. Perfect for use with Mr. HeaterA(R) Portable Buddy Propane Heaters. Swivel 1 - 20 in Male Throwaway Cylinder Thread x Excess Flow Soft Nose POL with handwheel 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 Order today!