Filterbuy 24x24x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
Filterbuy 24x24x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
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Filterbuy 24x24x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)

20.8K ratings

Key item features

  • Perfect Fit: 24x24x1 replacement air filters for furnace, air conditioner, heat pump, or HVAC system (actual size: 23.38" x 23.38" x 0.75").
  • Allergen Defense: MERV 11 synthetic media traps 95% of dust particles, protecting homes from pets, allergies, smoke, smog, lint, pollen, mold, and dander.
  • Enhanced Airflow: Designed to trap particles without impacting air flow, ensuring efficient operation of your HVAC system.
  • Durable Construction: Electrostatic design with 14 pleats per foot captures more harmful particles and lasts 3x longer than fiberglass models.
  • Easy Installation: Beverage board frames with dual wire backings improve structural integrity and resist extreme temperatures up to 200 degrees Fahrenheit.
  • Eco-Friendly: Made with recyclable materials and 100% manufactured domestically, providing an environmentally conscious option.
  • Long-Lasting: Replace every 90 days for optimal performance and prolonged lifespan of the filter.
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Current price is $10.97$10.97/in
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About this item

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Customer ratings & reviews

4.6 out of 5 stars
stars
20.8K ratings7,012 reviews
How item rating is calculated
  1. 5 stars82% (17.1K)
  2. 4 stars8% (1,770)
  3. 3 stars3% (689)
  4. 2 stars2% (383)
  5. 1 star4% (901)

Reviews summary

Pros

  • : Made to fit perfectly and handle dust and cat hair.
  • : Has a sleek and modern look with a good fit.
  • : Filters air well, reducing dust and cooling.
  • : Captures dust and odors efficiently.

Neutral

  • : Can be precise, but may not fit snugly in all furnaces.
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Showing 1-3 of 7,012 reviews

Jun 8, 2025
Reviewer name: Kenneth
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

changed bad air into clean air

Helpful?7E9IV09EIZXL1255523524
Jan 11, 2026
Reviewer name: erica
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

So easy to change.

Helpful?7E9IV09EIZXL1255523524
Jul 6, 2026
Reviewer name: Customer
5 out of 5 stars
5 out of 5 stars review

Great filter

The filter is so solid. I previously bought this flimsy filter that bowed immediately and got sucked up into the HVAC unit. After that terrible experience, I had to find a better option. This filter is excellent—well constructed and filtering out inpurities.

Review from Filterbuy
Helpful?7E9IV09EIZXL1255523524