Filtrete 12x36x1, Furnace Air Filter, 1500, Healthy Living Ultra Allergen, 6-Pack (exact dimensions 11.69 x 35.69 x 0.78)

, - 3-month pleated 1 in. home air filters for your furnace, air conditioner or systemDESIGNED Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow throughATTRACTS microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses--and large particles, including lint, household dust and pollen1500 has a rating of 12The higher the , the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it54% , like bacteria and particles that carry viruses ( % captured is based on 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to industry standard efficiency testing) as asthma & allergy friendly (As outlined in report : 1246-01) : 1500 available in 4 in. , 4 in. slim fit and 5 in. thick air filtersFOR of your heating & cooling system or 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. 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!