The Flame King 1 lb 16.4oz refillable propane cylinder fits all appliances that todays nonrefillable tanks work with. This propane bottle is legally and lawfully refillable and transportable, just like your BBQ tank is. These refillable propane cylinders are perfect for practically every Mr. Heater, Weber, Coleman and similar outdoor type applications that would fit a disposable 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 and can be a potential huge problem in the waste stream. Join the Eco revolution, these cylinders fill fastest and safest with our commercial Flame King refill adapter - not included but available with our refill kit! High grade steel construction X RAY and Hydro static tested powder coating for long lasting exterior protection DOT and TC certified for 12 years UL1769 listed.