Filterbuy 20x36x2 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
Filterbuy 20x36x2 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
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Filterbuy 20x36x2 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack

|1,239 ratings

Key item features

  • UNIVERSAL COMPATIBILITY: 20x36x2 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 19.50" x 35.50" x 1.75")
  • 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 10 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

4.6 out of 5 stars
stars
1,239 ratings412 reviews
How item rating is calculated
  1. 5 stars83% (1,026)
  2. 4 stars7% (91)
  3. 3 stars4% (45)
  4. 2 stars1% (18)
  5. 1 star5% (59)
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Showing 1-3 of 412 reviews

Jul 7, 2026
Reviewer name: Customer
5 out of 5 stars
5 out of 5 stars review

Great Filter

I have been using Filterbuy filters for numerous years and change them out regularly. I have always been pleased with just how good of a filter they are compared to other filters that do not even compare in quality. The price is very reasonable so that is why I always purchase 12 filters at a time and I received them within 2 days of ordering. I will continue using Filterbuy so I do not have to worry about my filters being great!

Review from Filterbuy
Helpful?5OK6Q1145PUC134490635
Jul 30, 2026
Reviewer name: Customer
5 out of 5 stars
5 out of 5 stars review

New Filterbuy Heat & Air Filters

I am very glad to have discovered Filterbuy. The ordering process is so simple to complete and receipt of the order is quick. I have recommended Filterbuy and will continue to do so.

Review from Filterbuy
Helpful?5OK6Q1145PUC134490635
Jun 26, 2026
Reviewer name: Customer
5 out of 5 stars
5 out of 5 stars review

The site has all the

The site has all the filters sizes and Merv selection that our facility needs. So, it makes it very easy to order and stock only what we need. Thank you, Randy,

Review from Filterbuy
Helpful?5OK6Q1145PUC134490635
Current price is $124.96
Price when purchased online
  • Free shipping
  • Free 30-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $124.96
Your usuals, on your schedule
Save time and stay stocked!
One-time purchase $124.96

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Arrives by Wed, Sep 23
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Sold and shipped by FilterbuyPro Seller
4.593449781659388 out of 5 stars
4.593449781659388 stars out of 5, based on 4580 seller reviews(4.6)
Free 30-day returns