Waterwise’s Airwise® air-purifier, advanced purification technology goes beyond mechanical filtration methods to oxidize odors, settle dust, reduce allergens and destroy viruses, bacteria and mold. Airwise employs a process called photocatalysis, which works to oxidize organic odors, microorganisms, algae, fungi and parasites, as well as toxic VOCs like formaldehyde. These purifiers are silent and maintenance-free. Report and catalog available. waterwise.com/wcp, (800) 874-9028 x674