Air Filter, Filtrete, 20 in L, 20 in W, 11 MERV, 1000 MPR, Cardboard Frame

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

• Specification Sheet