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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
Microparticle Performance Rating 1000
Outperforms fiberglass, washable and non-electrostatic pleated 1" filters
Lasts up to 3 months