Product Detail Advanced air cleaning device for formaldehyde, hydrogen sulfine, sulfur dioxide & particles. 31 pounds of gas phase media for powerful gas removal Coverage area of 1200 sq ft (based on maximum fan speed and an 8.5 ft ceiling) . The "IQAir Chemisorber GCX Air Purifier" is best product for you. We recommended IQAir Chemisorber GCX Air Purifier