Sturdy construction - installed with a brass fitting and a durable rubber hose, The 1 to 20lb adapter ensures long term usage with consistent output / efficiencyBRASS CONNECTION - Durable solid brass provide secured connections, tank connection has excellent secure connection and durability, Long lasting and is easy to useConnect 1 pound portable appliance to 20 lb propane tank - hose with adaptor fitting let you hook your 1Lb propane required propane appliance with 20 pound tank or lager by connecting this adaptor, allows connection to more fuelCost effective - Stop spending your money on 16.4 oz/ 1Lb propane tank that will last you few hour of usage, with this adaptor you can use it on 20Lb or larger tanks that will last you long period of time, convenient for those with larger tanks.Multi-suitability - perfect for lantern, heater, camp stove, portable grill, tabletop grill, and more. Great for camping, tailgating, heating needs or having an outdoor cookout.