RV, Single Stage, Propane, Low Press Regulator, For Connecting A Free Standing Gas Bottle To A Grill Or Other Low Pressure Gas Appliance, Maintains A Constant 11" WC Propane Pressure, 200,000 BTU Per Hour, 1/4" Female National Pipe Tread Inlet x 3/8" Female National Pipe Thread Outlet, UL Approved.