Two Operating Speeds: 2,000 CFM (High) & 1,300 CFM (Low) Weight: 124 Pounds Including Filters Dimensions (L x W x H) 35.75 x 26 x 30.25 (91 x 66 x 77) Power Supply Requirements 115-120 volts AC, 60Hz, 15 amp circuit. Normal Starting Amps 10 or less Fast ‘No Tools’ Pre-filter Changes Standard 6”-Deep 99.97% Efficiency HEPA Filter Individually Tested and Certified at 2,000 CFM Airflow Convenient Back Panel-Mounted Controls Two Fixed & Two Locking 4” Swivel Casters Filters available for added cost Optional Carbon filter for smoke and organic compounds Motor Output 1 HP, 2 speed motor with thermal overload protection, auto re-set, 60 Hz, single phase Optional HEPA Filter Tested and certified to an efficiency of 99.97% or higher against0.3 micron size particles (H2010M).