Gasland Liquefied Propane & Natural Gas Pressure Regulator - 1/2" NPT In/Out Gas Pipe

【GAS TYPE & PRESSURE】Gas Type: Natural Gas(NG), Inlet gas pressure: 1/2 PSI, Outlet pressure: 11"(2.74kPa) Water Column. Liquid Propane(LP), Inlet gas pressure: 1.74 kPa, Outlet pressure: 5" Water Column. 【PIPE THREAD SIZE】1/2" Inlet & 1/2" Outlet NPT GAS PIPE. Make sure you measure the gas pipe or regulator opening as close to 1 inch as shown in the picture's table. 【CAUTION】This regulator has 1" openings for 1/2" gas pipes. The 1/2" gas pipe means the interior diameter is 1/2" but the outside diameter is 1", refer to the pictures before buying. 【MARKING】Model: RTZ-ED, Marking: 1/2 PSIG, Po 3" - 6". Inlet pressure 1/2 PSI. Adjustable outlet pressure 3"-6" Water Column.