Filterbuy 21x22x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 5-Pack
Filterbuy 21x22x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 5-Pack
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Filterbuy 21x22x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 5-Pack

Key item features

  • UNIVERSAL COMPATIBILITY: 21x22x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 20.50" x 21.50" 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 $91.95
Price when purchased online
  • Free shipping
  • Free 30-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $91.95
One-time purchase $91.95

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Arrives by Thu, Jun 11
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4.586972083035075 stars out of 5, based on 4191 seller reviews(4.6)
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4.8 out of 5 stars
stars33 ratings9 reviews
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Showing 1-3 of 9 reviews

Oct 27, 2020
Allan N.
5 out of 5 stars review

Clean, Safe Prompt High Quality Filters made in the USA

I finally have the right sized filter (it's not the usual size) of a high qualitydelivered cleanly, safely, in great condition and promptly. Appreciate knowing I can go here for my filters and be completely satisfied. Like that filters are made in USA also.

Review from Filterbuy
Helpful?1OSNDEHPNLG1971399726
Nov 3, 2024
Geoffrey J.
5 out of 5 stars review

Proper Fit

I needed filter exactly 21x23. Previously bought from another company filter 21x23 and it was actually 21x231/2 and would not fit. So I bought yours 21x22 and it was actually 201/2x211/2 and too small. So then I bought yours 21x23 and it says on the filter that it is actually 211/2x231/2 and I was upset it wouldn't fit but it truly was 21x23 and perfect fit. Wish I could return smaller ones I don't need (have 3 left)

Review from Filterbuy
Helpful?1OSNDEHPNLG1971399726
Oct 4, 2020
Pablo C.
5 out of 5 stars review

Filter buy is a first

Filter buy is a first rate online merchant. Dont know how they do it, but it is an absolutely seamless and efficient operation. Will keep as my source for filters -and highly recommend.

Review from Filterbuy
Helpful?1OSNDEHPNLG1971399726