Filtrete 14x14x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-Pack

Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1" home air filters for your furnace, air conditioner, or HVAC system Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, letting cleaner air flow through Filtrete 1000 MPR Microparticle Performance Rating equates to MERV 11 1000 and 1200 MPR also available in 4, 4 slim fit and 5 air filters For optimal performance, change your home air filter at least every 90 days for 1 filters, and at least every 12 months for 4 and 5 filters. For residential use only The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air passing through it