Gas Plug GR0101-SS-50 Recessed Gas Outlet Box with 1/2-Inch Inlet, 3/8-Inch Outlet, Black PVC Enclosure and Stainless Steel Lockable Door 1/2" NPT Inlet connection, 3/8" Quick Disconnect Outlet, Male Plug Included 60,000 BTU Natural Gas / 90,000 BTU Propane Lockable Stainless Steel Door c/w Key Thermal valve shuts off gas flow in conditions of 300-Degree Fahrenheit or more Clean compact design conceals unsightly pipes and valves