Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
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Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter

Key item features

  • Optimal Filtration: Features a 300 MPR (Microparticle Performance Rating) and MERV 5 rating, effectively capturing dust, lint, and dust mite debris.
  • Advanced Technology: Designed with exclusive Filtrete 3-in-1 technology to attract and trap unwanted particles, promoting cleaner airflow.
  • Standard Dimensions: Measures 18x20x1 inches, suitable for various furnace, air conditioner, and HVAC systems.
  • Extended Performance: Recommended for replacement every 90 days to maintain optimal air filtration and system efficiency.
  • Convenient Reminders: Compatible with the Filtrete Smart App for setting 30-, 60-, or 90-day filter change reminders.
  • Trusted Brand: Manufactured by Filtrete, recognized as North America's most trusted brand for residential HVAC air filters.
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Current price is $5.64
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Customer ratings & reviews

4.5 out of 5 stars
stars444 ratings126 reviews
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Reviews summary

Pros

  • : Provides affordable price with low-cost filters.
  • : Requires minimal effort and quick to complete.

Cons

  • : Filter may not fit properly due to sizing issues.
  • : May bend or crush easily during handling or installation.
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Showing 1-3 of 126 reviews

Aug 6, 2025
Michael
Item details
Count per pack: 1
5 out of 5 stars review

Verified Purchase

Great 3 month filter! Have had it installed A little over two months! when new unit was installed in 2023 installers never installed one and unit was acting up! Luckily no damage was done to it and it still looked new inside. with this filter it's been performing great. will keep these on hand.

Helpful?2SCBCO5DM5P016504478
Jun 4, 2025
WalmartCustomer
Item details
Count per pack: 1
5 out of 5 stars review

Verified Purchase

I received the wrong product but the return process was easy enough. A replacement arrived a couple days later as promised. Thank you for fixing the problem.

Incentivized Review
Helpful?2SCBCO5DM5P016504478
Jul 22, 2025
Katie
Item details
Count per pack: 1
5 out of 5 stars review

Verified Purchase

I have 2 filters all of a sudden my sizes are very hard to find. I can order both online at Walmart and have them the next day. Good quality easy peasy.

Helpful?2SCBCO5DM5P016504478