Easily converts gas grill or other portable LPG appliances from small disposable bottle to larger refillable cylinder. Perfect for boat (without built in LPG system), camping, picnic, etc. Fully assembled and leak tested with hand wheel POL cylinder fitting; H.P. appliance valve fitting (1” 20 swivel male with “O” ring & check valve); and 6’ or 12’ high pressure LPG hose.