Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in. home air filters for your furnace, air conditioner or hvac systemdesigned with exclusive filtrete brand 3-in-1 technology from 3m to trap unwanted air particles while letting cleaner air flow throughattracts and captures microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses-and large particles, including lint, household dust and pollen1900 mpr has a rating of merv 13the higher the mpr, the more microparticles-such as pollen, pet dander, smoke, bacteria and viruses-your filter will capture from the air passing through it62% 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: 1900 mpr available in 4 in. , 4 in. slim fit and 5 in. thick air filtersfor optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1 in. filters, and at least every 12 months for 4in. and 5in. filtersa 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!
