tage filter design that includes both Filtrete Filter media and ionization for airborne particulate removal, and carbon for odor reduction. Filter effectiveness lasts up to three months under normal conditions. 5 year warranty on unit.
ENERGY STAR
3M Office Air Cleaners are ENERGY STAR qualified. The energy efficiency of the OAC150 and OAC250 is measured based on a ratio between the model's Clean Air Delivery Rate (CADR) for Dust and the electrical energy it consumes, or CADR/Watt. Products th