Filtrete 12x24x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack exact dimensions 11.69 x 23.69 x 0.81

Electro statically charged fibers attracts and capture large airborne allergens like pollen, household dust, lint Performs better than ordinary fiberglass and washable 1 in filters 300 MPR Performance Rating Lasts up to 3 months The higher the MPR, the more microparticles - such as pollen, pet dander and smoke - your filter will capture from the air passing through it CHANGE FILTER AT LEAST EVERY 90 DAYS for optimal performance of your heating & cooling system or HVAC system A 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 that works for you!