Filtrete 20x25x1 Air Filter, MPR 2800, MERV 14, Healthy Living Ultrafine Particle Reduction 3-Month Pleated 1-Inch Air Filters, 2 Filters

OUTPERFORMS FIBERGLASS, WASHABLE, AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner, or HVAC system ATTRACTS AND CAPTURES microscopic particles such as smoke, cough and sneeze debris, bacteria, and viruses and large particles, including lint, household dust, and pollen 2800 MPR has a rating of MERV 14 81% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses ( % captured is based on ASHRAE 52.2 testing for 0.3 to 1-micron particles from the air passing through the filter, which relates to HVAC industry-standard efficiency testing) CERTIFIED as asthma & allergy friendly (As outlined in report ASCR: 1246-01) FIND YOUR SIZE: 2800 MPR available in 4 in., 4 in. slim fit, and 5 in. thick air filters FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1in. filters, and at least every 12 months for 4 in. and 5 in. filters A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. that works for you!