The VFZ501A-5W is a single-stage ring compressor by Fuji Electric™ with a maximum pressure of 85 in. H2O, a maximum vacuum of 83 in. H2O, and a maximum capacity of 145 SCFM. It comes complete with a direct-drive, 2.7 horsepower, TEFC motor capable of operating on a wide range of voltages, and on 50 or 60 Hz. This is a direct-fit replacement for the discontinued model VFC500A-5W.