The Flame King 1 LB (16.4oz) refillable propane cylinder and refill kit with its CGA600 connection, fits all appliances that today’s non-refillable tanks work with. This propane bottle is the only legally & lawfully refillable & transportable option, as well as DOT compliant. Our unique & patented valve design is not available from any other manufacturer. These refillable propane cylinders are perfect for practically every Mr. Heater, Weber, Coleman & similar outdoor type applications that would fit a disposable tank. Our commercial refill adapter fits on any standard 20 LB propane tank. Spend your money wisely and buy the last 1 LB propane cylinder you will ever need! Tossing a single-use disposable tank is just a silly waste of resources & can be a potential huge problem in the waste stream! Join the eco-revolution! Please note: these cylinders fill fastest & safest with our commercial Flame King refill adapter – included with this kit! High grade steel construction – x-ray & Hydrostatic tested – powder coating for long lasting exterior protection – DOT & TC certified for 12 years (10 years in Canada) – UL1769 listed. 20 lb propane tank is NOT included.