The ODOROX^® MDU medical/Health/Restoration model is a hydroxyl air purifying device intended for the reduction of contaminants in air/surfaces in facilities. Performance data published in the FDA 510(k) summary showed 4 to 5 log reductions in contaminants within 1 to 2 hours; Ideal for areas such as Medical Centers, Clinical Laboratories, Institutional Facilities, Veterinary Care Facilities, Hospitals and Surgical Centers. Very usable in other areas such as business and residential. The unit is designed for use in occupied spaces ranging from 500-1000 square feet (1,300 to 5,000 cubic feet). It is equipped with 2 ODOROX® Hydroxyl generating optics, hour meter and a washable filter. Quiet operation.