Rabbit Air BioGS 2.0 BCRF Edition Air Purifier The BioGS SPA-625A air purifier will filter all the air in a room up to 625 sq. ft. twice in an hour on the highest setting. BioGS HEPA Filtration with 4 stages of purification and deodorization. The BioGS HEPA and Charcoal-Based Activated Carbon Filters will last up to three years, based on 12 hours daily operation. The Pre-Filter is washable. An ultra quiet BLDC motor operates at five different speeds. Its virtually silent at low speed. Energy Star certified units will not run up your energy bill. Rabbit Air will donate 5% of the purchase price from each BCRF Special Edition Air Purifier sold to the Breast Cancer Research Foundation (BCRF) Traps allergen and particles 0.3 microns in size at 99.97% efficiency Traps allergen and particles 0.3 microns in size at 99.97% efficiency Reduces buildup of common allergens including dust mites, mold, pollen and pet dander* trapped on the filter Reduces the growth of bacteria and viruses on the filter** Prolongs optimal filter efficiency