3/8" Air Regulator Control Unit Filter Lubrication Air Compressor Water Trap 3 IN 1 AIR CONTROL PREP UNIT 3/8",Regulator With 160psi Gauge Oiler Lubricator;" Oil & Water Separator Unit Air Inlet: 3/8 Max. Pressure of 150PSI" Temperature Range: 5-60 Degrees C (40-160F)