Usage Tips:[PREMIUM QUALITY]: Strict quality solid brass control standards to Build and test. Pretty easy to snap into place. Not OEM but fits OEM Standards, the quality is equivalent to OEM requirements. Perfect match and Good Choice for Direct replacement of parts.Ensure you safe leakage free operation. Long service life. [FEATURE]: Material: Solid Brass. Connection: 1" x 20 Female Throwaway Cylinder Thread to 3/8" female flare (5/8"-18UNF) Thread. Can be quickly connected to your quick propane hose via a portable gas grill. [COMPATIBILITY]: The 3/8" male flare thread is suitable for most regulator and extension hose flare fittings convert to any 20-100lbs tanks, compatible for propane burners, stove, turkey fryers, heaters, smokers and other propane appliances. [NOTE]: The propane gas line system only accepts one regulator. If you use this to connect your 1LB regulator, Do remember to remove the regulator on your RV or trailer propane tank regulator. Useful adapter helps you connect your 1lb propane regulator to the gas tank. [Guarantee and Service]: The 1lb Propane Tank completed with a One-year Warranty. Save much money off dealer prices. If the 1lb Propane Tank once failed , simply contact us for a replacement or refund.