DESCRIPTION

Opt for a Filtrete allergen defense air filter to transform your central heating and cooling system into a whole home air filtration operation. This no nonsense filter helps capture varying sizes of particles, from the large (lint, pollen, dust and pet dander) to the microscopic (smoke and smog). Outperforms fiberglass, washable and non-electrostatic 3 month pleated 1 in home air filters for your furnace, air conditioner or HVAC system Designed with exclusive Filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through 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 and at least every 12 months for 4 in and 5 in filters For residential use only The higher the MPR, the more microparticles such as pollen, pet dander, smoke, bacteria and viruses and your filter will capture from the air passing through it