Filtrete 18x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
Filtrete 18x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
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Filtrete 18x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter

Key item features

  • Optimal Filtration: This 18x24x1 Filtrete HVAC furnace air filter features a 1000 MPR and MERV 11 rating, effectively capturing numerous microparticles for cleaner household air.
  • Advanced Technology: Designed with exclusive Filtrete 3-in-1 technology, it efficiently pulls in and traps unwanted particles, allowing cleaner air to flow through your home.
  • Allergen Defense: CERTIFIED asthma and allergy-friendly, this filter helps capture dust, lint, pollen, pet dander, smoke, smog, and other allergens.
  • Versatile Application: Suitable for use in furnaces, air conditioners, heating systems, or general HVAC systems, providing broad compatibility.
  • Maintenance Reminder: The Filtrete Smart App (iOS or Android) offers convenient 30-, 60-, or 90-day reminders for optimal filter replacement.
  • Recommended Replacement: For peak performance, it is recommended to change the pleated 1-inch filter at least once every 90 days.
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Current price is $15.29
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Columbus, 43215
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4.7 out of 5 stars
stars658 ratings510 reviews
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Showing 1-3 of 510 reviews

Aug 17, 2025
Kimberly
Item details
Count: 6
Air filter size: 18 x 24 x 1
5 out of 5 stars review

Verified Purchase

Had to use non Filtrete brand purchased at local hardware store when our Walmart was out of sizes we needed in every filtrete and that reiterated what a superior product Filtrete makes. After just two weeks of the other brand dust was more Prevalent in the house in spite of air purifiers We noticed a dusty odor by week two which reminded us to check the filters. And we immediately went to purchase these and make sure we keep plenty in this level and the two above it at all times for both units in our home

Helpful?2HB52YKEHKET40696614
Oct 25, 2025
stringone
Top Reviewer
Item details
Count: 6
Air filter size: 18 x 24 x 1
5 out of 5 stars review

Verified Purchase

A great economical purchase.

A great value for the price, I buy this brand every year to get me through the winter months , they seem to hold up great.

Helpful?2HB52YKEHKET40696614
Oct 4, 2025
WalmartCustomer
Item details
Count: 6
Air filter size: 18 x 24 x 1
5 out of 5 stars review

Verified Purchase

I've used this furnace filter for yrs

Incentivized Review
Helpful?2HB52YKEHKET40696614