The Monument 1 lb. tank adapter allows you to connect a 1 lb. propane tank to your full-size propane grill. With the simple connection, one can switch from a 20 lb. propane tank to a 1 lb. propane cylinder in seconds. Perfect for camping and tailgating. The adapter is made of solid brass making it corrosion resistant and will last years. The adapter is compatible with all grills manufactured by Monument Grills as well as most full-size propane gas grills. The connection features heavy-duty brass construction for durability.Designed to fit both POL and QCC1 connections