The Filtrete Micro Allergen air filter size 20x24x1 MERV 11 (6-Pack) captures everything from dust and pollen to the tiniest allergens like smoke and pet dander - without draining your wallet. The Micro Allergen goes to work every time your heating and cooling system kicks on. It's like having an expensive whole house air purifier, only cheaper!
- Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Developed to pull in and trap unwanted particles, including: lint, dust and dust mite debris, mold spores and pollen, pet dander, and smoke and smog.
- Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through
- Outperforms fiberglass, washable and non-electrostatic pleated 1" filters and lasts up to 3 months
- For residential use only
- Microparticle Performance Rating MPR 1000 equates to Minimum Efficiency Reporting Value MERV 11
- Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Developed to pull in and trap unwanted particles, including: lint, dust and dust mite debris, mold spores and pollen, pet dander, and smoke and smog.
- Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through
- Outperforms fiberglass, washable and non-electrostatic pleated 1" filters and lasts up to 3 months
- For residential use only
- Microparticle Performance Rating MPR 1000 equates to Minimum Efficiency Reporting Value MERV 11
