16x25x1 AC Furnace Air Filter, MERV 8, MPR 700, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 15.69 x 24.69 x 1.56 in)

THE HIGHER THE MPR, THE MORE PARTICLES - such as pollen, pet dander, bacteria and viruses - your air filter will capture from the air passing through it ATTRACTS AND CAPTURES particles such as lint, pollen, dust, and pet dander CHANGE YOUR FILTER OFTEN: For optimal performance of your heating and cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters