From the seller:

Professionally maintained and teched prior to shipment. The Diffusion Hazer (DF-50) is a patented machine utilizing a triple filtered system that breaks down the Diffusion Fluid (food grade mineral oil blend) to a uniform 1 micron sized droplet. CAL/OSHA has concluded that these airborne mist levels do not exceed OSHA or CAL/OSHA Specifications: Motor: Brushless, AC, Ball bearing, 1+ Horsepower Power: 110 - 125v /4 amp 100-125V 4.6A (50 or 60 Hz) Controls: On/Off switch Weight: 35lbs.16 kg Measurements: 14"H x 15"L x 8"W (HxWxL): 35x38x21 cm