Filtrete 20x24x1, Allergen Plus Odor Reduction HVAC Furnace Air Filter, 1200

25 times more effective in odor removal than other national retail home air filters (based on a comparison of organic vapor capacity) for your furnace, air conditioner, or HVAC systemActive carbon layer acts as odor eliminator for pet smells, smoke, cooking, mildew and cleaning chemicalsExclusive Filtrete Brand 3-in-1 technology from 3M attracts and traps unwanted air particles, letting cleaner air flow throughCarries a 1200 MPR (Microparticle Performance Rating)Filtrete 1200 MPR has a rating of MERV 11For maximum performance of your heating & cooling system or HVAC system, change your home air filter at least every 90 daysFor residential use onlyThe higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through itA dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ ChangeReminders) that works fo