Used 230 SCFM Sullair Refrigerated Air Compressed Dryer, Model RC-250-460-3-60-A. 250 Scfm. Maximum air pressure 230 PSIG at maximum air inlet temperature 150 degrees F. R134a refrigerant, 35 ounces. Compressor driven by a 1.77hp, 3/60/208-230/460 volt, 3155 rpm motor. Fan driven by .39HP. Serial# 4811SA1646. 3/60/460 Volt.6.