Filtrete Allergen Defense Air Filter, 1000 MPR, 20-inch x 25-inch x 1-inch (9803-4)

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). 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).

• Sold as 1 Each
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters
• The higher the MPR, the more microparticles--such as pollen, pet dander and smoke--your filter will capture from the air passing through it
• A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy
• Good quality product