Filterbuy 10x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 5-Pack
Filterbuy 10x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 5-Pack
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Filterbuy 10x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 5-Pack

|11.7K ratings

Key item features

  • UNIVERSAL COMPATIBILITY: 10x20x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 9.50" x 19.50" x 0.75")
  • MERV 11 PERFORMANCE: Protect your home or business from allergens, pets, and more with MERV 11 synthetic media (comparable with MPR 1200 & FPR 7) that captures 95% of dust without restricting air flow
  • LONG-LASTING FILTRATION: Electrostatically charged media with 14 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance)
  • SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures
  • MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes

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Customer ratings & reviews

4.7 out of 5 stars
stars
11.7K ratings3,933 reviews
How item rating is calculated
  1. 5 stars85% (9,990)
  2. 4 stars8% (930)
  3. 3 stars3% (307)
  4. 2 stars1% (148)
  5. 1 star3% (402)
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Showing 1-3 of 3,933 reviews

Jun 28, 2026
Reviewer name: Customer
5 out of 5 stars
5 out of 5 stars review

I always get really good

I always get really good service from Filter Buy. The filters are of high quality and work very well, I changed the filters approximately every 3 months and the system seems to work out really well. Thank you for a very high quality product. Thank you Mike

Review from Filterbuy
Helpful?5HWG6N0J56P1340115041
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?5HWG6N0J56P1340115041
Sep 16, 2026
Reviewer name: Customer
5 out of 5 stars
5 out of 5 stars review

My filters came nicely boxed

My filters came nicely boxed and they were in perfect condition. I replaced the same size that was in my air-conditioning vent area and I had a gentleman out to clean my vents and he told me my size is actually probably a 16. 5 so it would be a 16. 5 x 25 by one. Kind of crazy, but the product was perfect.

Review from Filterbuy
Helpful?5HWG6N0J56P1340115041
Current price is $56.95
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  • Free 30-day returns
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Arrives by Mon, Sep 28
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Sold and shipped by FilterbuyPro Seller
4.593770420387715 out of 5 stars
4.593770420387715 stars out of 5, based on 4591 seller reviews(4.6)
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