Used Ingersoll Rand Non-Cycling Refrigerated Dryer, Model D420INA400. Approximate 420 m3/hr, 250scfm. Maximum allowable working pressure 300psig. Compressor 1hp, R404A Refrigerant, 3lbs 8 ounce charge. Air cooled, fan driven by 1/6hp motor. Serial# 544709. 3/60/460 Volt.