1/2" Inlet and 1/2" Outlet 30 SCFM maximum airflow 40 micron water removing filter with 9 oz. bowl, sight glass and overnight drain .01 micron oil removing filter with 9 oz. bowl, sight glass and overnight drain 1 gallon desiccant filter - lowers the dew point to -30¿F and removes all water in vapor and liquid form. When the beads turn from blue to pink, it's time to change the beads. Filter Regulator - 3 micron filter with 9 oz. bowl and sight glass which protects the regulator from any desiccant dust Regulator/gauge included Unit comes with ball valve Unit comes with 1 gallon of desiccant bead Shipping Weight: 26 lbs