ATEX certified for use in explosion-proof areas 440-480 volts at 60 HZ 3 Phase 12.6 KW Power 26 amp draw 260 inches waterlift 353 CFM airflow 48.4 sq ft filter area 129 sq ft HEPA filter upstream 46 gallon capacity 65x33x71 794 lbs 30 ft cord length 99.995% @ 0.18 microns filter efficiency