Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
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Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack

|27.5K ratings

Key item features

  • UNIVERSAL COMPATIBILITY: 13x21.5x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 12.88" x 21.50" x 0.75")
  • MERV 8 PERFORMANCE: Protect your home or business from pollen, lint, mold, and more with MERV 8 synthetic media (comparable with MPR 700 & FPR 5) that captures 90% 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
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27.5K ratings7,962 reviews
How item rating is calculated
  1. 5 stars86% (23.6K)
  2. 4 stars7% (1,914)
  3. 3 stars2% (627)
  4. 2 stars1% (379)
  5. 1 star4% (1,036)
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Showing 1-3 of 7,962 reviews

Feb 7, 2025
Doris
Sold and shipped byFilterbuy
5 out of 5 stars review

Verified Purchase

It's a very great air filter and the best quality item.

Incentivized Review
Helpful?4E010EKHO1ON178305915
Jul 19, 2026
Customer
5 out of 5 stars review

Best filters for your furnace

I've been using these filters since they were recommended by Any Hour Supply. I've been using them for 5 years now, these filters have done a better job than anything else on the market! Never any problems, very inexpensive in cost, but the quality is unmatched. We'll use these and only this brand for my air conditioner/Furnace ever more!

Review from Filterbuy
Helpful?4E010EKHO1ON178305915
Jul 17, 2026
Customer
5 out of 5 stars review

These are tough!

I wanted to see if I could remove the filter material and mesh from a used merv 8 filter, to use the paperboard frame for another purpose. No way; it was like trying to disassemble a unibody car! No wonder these filters hold their shape so well. They're built like tanks

Review from Filterbuy
Helpful?4E010EKHO1ON178305915
Current price is $34.98
Price when purchased online
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  • Free 30-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $34.98
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Sold and shipped by FilterbuyPro Seller
4.589860698789678 out of 5 stars
4.589860698789678 stars out of 5, based on 4379 seller reviews(4.6)
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