3M Office Air Cleaner Replacement Filter OAC250RF

Helps keep air fresh and clean Filtrete air cleaning filter snaps easily into place. Captures microscopic particulates down to 0.01 micron. Includes allergens like dust, smoke and smog particles, as well as large allergens like mold spores and pet dander. Built-in activated carbon filter helps reduce odors. Replace filter every 3 months to ensure maximum performance. Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.