Biozone InDuct 1500 Air Purifier The Biozone InDuct 1500 is designed for smaller homes or offices or for any air handler supplying under 1500 sq. ft. This air cleaner is installed in ventilating systems for central air purification. By installing into the central air system, your home will receive even air purification!? Safer, healthier environments for family, employees or customers free from contaminants and allergens. Purifying Method - Photoplasma Housing Material - ABS Electric - 12VDC with accompanying adapter. Dimensions - 3.4" x 1.25" x 5.25"; lamp length varies depending on mod