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3M Filtrete 20x25x4 Whole House Air Filter (4 inch, Allergen Reduction, 1-pack)

$47.99 List Price $68.99 Save 30%
Availability: In Stock
Fits whole-house air cleaners that use 20x25x4 replacement filters - including Aprilaire, Space-Guard, Honeywell, and Trion
Choose a quantity
  • 1Filter$47.99 
  • 2Filters $46.55 each
  • 3Filters $45.15 each
  • Electrostatically charged fibers act like tiny magnets to capture even the smallest particles
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  • Electrostatically charged fibers act like tiny magnets to capture even the smallest particles
The Filtrete 20x25x4 4-inch Allergy Reduction air filter keeps allergy symptoms in your home under control. Your whole house air cleaner can help keep your indoor air virtually free of indoor dust, pet dander, pollen and viruses. Ideal for those that suffer from heavy to severe indoor allergies or poor indoor air quality. Fits whole house air cleaners by Aprilaire, Honeywell, Trion/Air Bear and more. Genuine OE product. Order this 4 inch whole house air filter from 3M Filtrete, sized 20x25x4, online today.
Package Qty1
Used In BrandsFiltrete
Manufacturer's IdNDP03-4IN-4
Microparticle Performance Rating (MPR)MPR:1500
Advertised Size (in)20 x 25 x 4
Actual Size (in)19 7/8 inches (length) x 24 5/8 inches (width) x 4 3/8 inches (depth)
Actual Size (cm)50.4825 x 62.5475 x 11.1125
Filter Life (months)3 months

Reduced Contaminants

The FILTRETE-ALLERGEN-20x25x4 reduces the following contaminants:

  • Dust
  • Dust Mite Debris
  • Lint
  • Pet Dander
  • Pollen
  • Viruses

The FILTRETE-ALLERGEN-20x25x4 is comparable with the following part numbers