Filterbuy 16x21x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
Filterbuy 16x21x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
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Filterbuy 16x21x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack

Key item features

  • UNIVERSAL COMPATIBILITY: 16x21x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 15.50" x 20.50" 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
Current price is $37.98
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  • Free 30-day returns
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One-time purchase $37.98

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4.586223391533126 stars out of 5, based on 4181 seller reviews(4.6)
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4.5 out of 5 stars
stars63 ratings28 reviews
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Showing 1-3 of 28 reviews

Mar 10, 2025
Rene R.
5 out of 5 stars review

I have used their filter

I have used their filter for many years. Good price; excellent service

Review from filterbuy.com
Helpful?3LLS167J376G993274960
Oct 1, 2024
ARVIN E.
5 out of 5 stars review

Excellent Service

very pleased with ease of ordering and quick delivery.

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Feb 27, 2023
Francois B.
5 out of 5 stars review

Finally the right filter

Finally a 16x21 filter. Actual size as advertised. My last order of 16x21 was actually 16.5 x21.5 with an over label saying 16x21. They didn't even cut it down. The original filter was labeled 17 x22

Review from filterbuy.com
Helpful?3LLS167J376G993274960