*ONLINE ONLY - Allow extra time for delivery. Ship to store FREE! During checkout select ''Store Pick-up'' as your delivery option.* Hamilton Beach TruAir Allergen Reducer Air Purifier. TruAir Allergen Reducer with permanent 99% HEPA grade filter, three speeds and quiet operation, this compact Hamilton Beach Tru Air Allergen Reducer effectively performs for medium-size 160 square foot rooms. Never touch a dirty filter again--just vacuum clean. Use it horizontally or vertically.