The Ecosphere Compact air purifier with AP Hydroxyl Certified Space Technology.; offers powerful air purification for your whole home or large office spaces up to 2,000 sq. ft. in size. This is the only product available that will actively kill both visible and hidden mold as well as odor-causing bacteria. It also eliminates smoke, VOCs, odors, airborne pollutants and surface contaminants, leaving your space clean and healthy. Fast, free shipping.