Filterbuy 18x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack
Filterbuy 18x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack
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Filterbuy 18x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack

Key item features

  • UNIVERSAL COMPATIBILITY: 18x20x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 17.50" x 19.50" x 0.75")
  • MERV 13 PERFORMANCE: Protect your home or business from germs, bacteria, and more with MERV 13 synthetic media (comparable with MPR 1900 & FPR 10) that captures 98% of dust without restricting air flow
  • LONG-LASTING FILTRATION: Electrostatically charged media with 16 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
Current price is $57.96
Price when purchased online
  • Free shipping
  • Free 30-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $57.96
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $57.96

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Arrives by Mon, Jul 27
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Sold and shipped by FilterbuyPro Seller
4.589318600368324 stars out of 5, based on 4344 seller reviews(4.6)
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Customer ratings & reviews

4.7 out of 5 stars
stars
142 ratings62 reviews
How item rating is calculated
  1. 5 stars85% (120)
  2. 4 stars8% (12)
  3. 3 stars1% (1)
  4. 2 stars2% (3)
  5. 1 star4% (6)
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Showing 1-3 of 62 reviews

Sep 25, 2025
Walmart customer
5 out of 5 stars review

Just what you want from a company selling AC filters

The prices were excellent, the quality identical (MERV 13) to my local retailer's. The filters arrived when I was told they would and they fit easily into my system. Everything you want, nothing you don't

Review from Filterbuy
Helpful?19PWUGF33PTL170294622
Jul 25, 2025
Manuel V.
5 out of 5 stars review

All of the filters fit

All of the filters fit and work perfectly. I actually heard about it from other people in my office who use this company as well.So far, Im quite pleased with the product and service. .

Review from Filterbuy
Helpful?19PWUGF33PTL170294622
Oct 16, 2025
Walmart customer
5 out of 5 stars review

I really like them an

I really like them an easy to install and catches a lot of dust etc. perfect for me.

Review from Filterbuy
Helpful?19PWUGF33PTL170294622