Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Featuring electro-static technology, these filters reduce airborne allergens such as household dust, lint, ...

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Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Featuring electro-static technology, these filters reduce airborne allergens such as household dust, lint, dust-mite debris, mold spores, pollen, pet dander and smog. For best results, change your filter every 90 days.

  • 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