USA & CANADA BUYERS PAY NO IMPORTS FEES OR TARIFFS, NO HIDDEN DELIVERY COSTS!Introducing the Brand New Air Mixer Propane Valve 1/2". The air mixer feature ensures a clean and efficient burn, reducing the amount of fuel needed. With its 1/2" size, it's perfect for any standard propane gas line. Upgrade your outdoor heating experience with the Brand New Air Mixer Propane Valve 1/2".