Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters
Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters
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Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters

4.6 stars out of 2652 reviews
(4.6)|
2,652 ratings

Key item features

  • Optimal Filtration: Features an 800 MPR and MERV 10 rating, designed with exclusive Filtrete 3-in-1 technology to capture numerous particles, including dust mite debris, mold spores, lint, pollen, pet dander, and household dust.
  • Standard Dimensions: Each filter measures 20x24x1 inches, suitable for various HVAC, furnace, and air conditioning systems.
  • Convenient Packaging: Comes in a 2-pack, providing a backup filter or allowing for use in multiple systems.
  • Maintenance Reminder: Recommended replacement every 90 days for optimal performance, with a compatible smart app for setting reminders.
  • Trusted Brand: Filtrete is recognized as North America's most trusted brand of HVAC filters, based on a 2024 survey.
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Current price is $19.88
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Customer ratings & reviews

4.6 out of 5 stars
stars2,652 ratings623 reviews
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Reviews summary

Pros
  • : Requires minimal effort and time.
  • : Captures high amounts of dust and debris.
  • : These filters fit tightly in the air system.
  • : Provides good cost-to-benefit ratio.
  • : Known for excellent air filtration performance.
Cons
  • : Lacks structural integrity, compromising performance.
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Showing 1-3 of 623 reviews

Oct 10, 2025
EscapedOctopus
Top Reviewer
Item details
Size: 20" x 24" x 1"
5 out of 5 stars review

Verified Purchase

Good Filter for Allergies

Works great but needs frequent replacement. This filter works very well and noticeably improves air quality, but I have to replace it more than once a month. It's not a bad product at all; it just gets used up quickly where I live because we deal with heavy allergens. For anyone with serious allergy concerns, this is a solid choice, but expect to change it often to keep performance high.

Helpful?832292d0-5d1c-11ea-8d67-cbe567408dc643822476
Nov 23, 2025
karen
Top Reviewer
Item details
Count: 2
5 out of 5 stars review

Verified Purchase

Good air filter. Really absorbs much more than any of the air filters that I've used before such as the cheaper brands that you might find elsewhere. I was surprised at how much this air filter picked up in my home within 30 days . I would definitely recommend it, and I felt a difference in the air quality.

Helpful?832292d0-5d1c-11ea-8d67-cbe567408dc643822476
Feb 14, 2026
Mommaof2ondabayou
Top Reviewer
Walmart Associate
Item details
Count: 1
5 out of 5 stars review

Verified Purchase

Great product!

We purchase these filters to tape onto a box fan for our bedroom. It absolutely makes a difference in not only keeping the fan very clean, but we don't have to deal with sneezing and coughing as much during allergy season. It works out very well. They usually last about 3 months. Each time we change them out, there is a lot of dust, particles and pet hair that has collected. Well worth the money to stay healthier and cleaner. It gives us piece of mind. We live near a national forest where they do controlled burning, and local neighbors burn bon fires occasionally. This filter is a lifesaver during those times, because I have asthma. This works just as well as the two air purifiers that we have in the rest of the house. Highly recommend.

Helpful?832292d0-5d1c-11ea-8d67-cbe567408dc643822476