SOUTHERN-FRL Southern FRL Three-Unit Combo Compressed Air Filter Regulator Lubricator FRL, Air Preparation Unit 1/2" NPT Manual Drain Metal Bowl 10 Micron with Gauge Product Features 1/2" NPT Modular Filter Regulator Lubricator Unit Max Supply Pressure: 250 PSI, Max Operating Pressure: 150 PSI 178 SCFM, 10 Micron Element Standard Manual Drain & Metal Bowl 0-300 PSI Gauge included Product Description 1/2" NPT Modular Filter Regulator Lubricator Unit Max Supply Pressure: 250 PSI, Max Operating Pressure: 150 PSI 178 SCFM, 10 Micron Element Standard Manual Drain & Metal Bowl Air Filter Regulator Lubricator offers complete airline solution for most effective air filtration, pressure control and air lubrication to keep your air tools working properly FEATURES : Compact design -- suitable for limited space application. Miniature type -- Easy for installation