... PCO cell Easy installation and wid Ductpura HVAC air purifier is a new generation HVAC Air system used to reduce odors, smoke ... system air ducts where many problems can start. When the HVAC system is in operation, Ductpura creates an Advanced Oxidation Process ... in homes, apartments, offices, nursing homes - for use in most HVAC duct systemsCoverage2,000 ft2Ozone DensityLess than 0.04mg/m3Size6" wide ...