Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
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Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter

4.6 stars out of 2429 reviews
(4.6)|
2,429 ratings

Key item features

  • Effective Filtration: This 20x20x1 inch Filtrete air filter, with an MPR 300 and MERV 5 rating, effectively captures dust, lint, and dust mite debris.
  • Advanced Technology: Featuring exclusive Filtrete 3-in-1 technology, it pulls in and traps unwanted particles, allowing cleaner air to flow through your home.
  • Broad Compatibility: Designed for versatile use, this pleated 1-inch filter is suitable for furnaces, air conditioners, and general HVAC systems.
  • Optimal Performance: For maintaining optimal air quality and filter efficiency, it is recommended to change the filter at least once every 90 days.
  • Convenient Reminders: Utilize the Filtrete Smart App, available on iOS and Android, to set timely 30, 60, or 90-day reminders for filter replacement.
  • Trusted Brand: Filtrete is recognized as North America's most trusted brand for HVAC filters, based on a 2024 Sago US Brand Health Survey.
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Current price is $5.64
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Comparison Chart:
Air filter size20 x 20 x 1Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter16 x 20 x 1Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter14 x 14 x 1Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter14 x 20 x 1Filtrete 14x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter20 x 24 x 1Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter20 x 25 x 1Filtrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter20 x 20 x 1Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters16 x 25 x 1Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter14 x 24 x 1Filtrete 14x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter20 x 20 x 1Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
Contaminants removedDustFiltrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 14x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterPollenFiltrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 FiltersDustFiltrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 14x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 FilterDustFiltrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
Microparticle performance rating300Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter300Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter300Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter300Filtrete 14x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter300Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter300Filtrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter800Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters300Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter300Filtrete 14x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter1500Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
Minimum efficiency reporting values (merv)5Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter5Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter5Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter5Filtrete 14x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter5Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter5Filtrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter10Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters5Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter5Filtrete 14x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter12Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
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Customer ratings & reviews

4.6 out of 5 stars
stars2,429 ratings537 reviews
How item rating is calculated
  1. 5 stars82% (1,981)
  2. 4 stars9% (227)
  3. 3 stars3% (84)
  4. 2 stars1% (29)
  5. 1 star4% (108)

Reviews summary

Pros
  • : Filter prices are considered affordable.
  • : Made with durable construction that captures allergens effectively.
  • : Filter fits securely in place.
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Showing 1-3 of 537 reviews

Nov 4, 2025
Candy
Item details
Count per pack: 1
5 out of 5 stars review

Verified Purchase

Filtrete MERV 5 are my favorite! %26 Great Price!

I have allergies and find its best that I change out my AC filters every month, so I just get these MERV 5 filters instead of splurging for the MERV 8 or higher. Plus, sometimes I think the higher, denser filters can cause my AC to freeze up. So I'm really glad Walmart has these Filtrete MERV 5 filters for under $6 each.

Helpful?21C7RO3A7HT110721098
Dec 9, 2025
RD
Item details
Count per pack: 1
5 out of 5 stars review

Verified Purchase

Helpful advice!

I place this air filter on the back of a 20”x 20” box fan and use it an air filter it works great! This air filter lasts at least 3 to 4 months! Plus it beat the price of those air filters for those other air filters models. Because I live on Social Security so have to be careful of what I buy to save money!

Helpful?21C7RO3A7HT110721098
Jan 17, 2026
Kelli
Top Reviewer
Item details
Count per pack: 1
5 out of 5 stars review

Verified Purchase

BEST QUALITY AND VALUE

Filtrete air filters MPR 300/MERV5 are the best quality and value for air filters inside your home. I've researched filters for HVAC/Central heat and air units and in Tallahassee the MERV 5 is sufficient for filtering the air inside the home. Unless you smoke inside the home, have lots of pets, mold, pollen, smog, or exhaust ... the MERV 5 will do the job! I have normal household dust, lint, and the MERV 5 even filters dust mite particles that come from household dust. So save your money and try Filtrete MERV 5 filters! I won't pay the higher prices for the filters that cover smog, smoke, mold, etc when I don't have those issues inside my home.

Helpful?21C7RO3A7HT110721098