3 In 1 Twin Air Filter Pressure Regulator Gauge Kit 3/8" Water/Oil Trap Separator Regulator With 160psi Gauge Oiler Lubricator, Oil & Water Separator Unit Air Inlet: 5/8" NPT Max. Pressure of 150PSI - with 3/8" diameter air line input Temperature Range: 5-60 degrees C (40-160F)