Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
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Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-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 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
Current price is $32.98$32.98/in
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4.5865775017912584 stars out of 5, based on 4187 seller reviews(4.6)
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4.7 out of 5 stars
stars397 ratings130 reviews
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Showing 1-3 of 130 reviews

May 18, 2026
Mary
Top Reviewer
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5 out of 5 stars review

Verified Purchase

Great furnace filter

Great filter for your furnace. Very sturdy. Fit my furnace perfectly. I would highly recommend this filter.

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Helpful?15DRNXI5XXYL157791284
Dec 14, 2025
TODD
Walmart Associate
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5 out of 5 stars review

Verified Purchase

great price, fast ship

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Helpful?15DRNXI5XXYL157791284
Sep 17, 2025
ann
Sold and shipped byFilterbuy
5 out of 5 stars review

Verified Purchase

blue

these are the filters my air guy told me to get

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Helpful?15DRNXI5XXYL157791284