3M Filtrete 4" Media Furnace Filters

The 4" Media Furnace Filter provides Filtrete performance for use in whole-house air cleaners installed in furnaces or central air conditioners. These filters work in any whole-house system that takes a 4" filter. Filtrete 4" Media Furnace Filters capture mold spores, pollen, dust and dust mite allergen, and pet dander, helping rid your home of these common allergy triggers.

Replace every year, when used under normal conditions.
 

4" Media Furnace Filter Features

• 1550 MPR - exceptional performance ensures clean indoor air for you and your family.
• Electrostatic filtration attracts and captures particles to remove allergens from your home environment.
• Captures 97% of airborne allergens and particles.
• Continuously combat polluted indoor air - Filtrete furnace filters capture bacteria, viruses, smog, and smoke as well as allergens.
• Won't support the growth of mold or bacteria.

4" Media Furnace Filter Reviews

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