Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
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Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack

Key item features

  • Universal Fit: These 20x20x1 replacement air filters (actual size: 19.50" x 19.50" x 0.75") are compatible with furnaces, air conditioners, and heat pumps, enhancing HVAC system efficiency.
  • Advanced Filtration: MERV 13 synthetic media captures 98% of dust, bacteria, smoke, and other debris without restricting airflow, comparable to MPR 1900 & FPR 10.
  • Extended Lifespan: Electrostatically charged media with 16 pleats per foot traps more microscopic particles and lasts three times longer than fiberglass models, requiring replacement every 90 days.
  • Durable Construction: Superior beverage board frames with dual wire backing prevent warping and resist extreme temperatures up to 200°F, outperforming flimsy cardboard designs.
  • Domestic Production: Built with industrial-grade, recyclable materials and manufactured 100% domestically for dependable indoor air quality.
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Current price is $47.96$47.96/in
Price when purchased online
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  • Free 30-day returns
Subscribe, Your usuals, on your schedule, Save time and stay stocked!, $47.96
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One-time purchase $47.96

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Arrives by Tue, Jul 28
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Sold and shipped by FilterbuyPro Seller
4.589602024384633 stars out of 5, based on 4347 seller reviews(4.6)
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Customer ratings & reviews

4.7 out of 5 stars
stars
2,124 ratings1,263 reviews
How item rating is calculated
  1. 5 stars87% (1,858)
  2. 4 stars7% (151)
  3. 3 stars2% (33)
  4. 2 stars1% (23)
  5. 1 star3% (59)

Reviews summary

Pros

  • : Offers lower prices compared to others.
  • : Made with high-quality materials and construction.
  • : Fits perfectly into air handler or tray.
  • : Captures fine dust particles and reduces dust accumulation.
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Showing 1-3 of 1,263 reviews

Jul 9, 2026
anonymous
Sold and shipped byFilterbuy
5 out of 5 stars review

Verified Purchase

Great, sturdy air filters

We've been getting these air filters for our home for the past several years and they really do the job! They hold up very well. We will continue to purchase these. ;)

Helpful?5FGD3MYXB3FN182928602
Jun 26, 2025
David
Item details
Size: 20x20x1
Sold and shipped byFilterbuy
5 out of 5 stars review

Verified Purchase

bought a 4 pack and use them duck taped to the back of a box fan for cheap air filter! These work great and last 6 months. My dogs skin isnt as bad as she was...works great for people allergies too!

Helpful?5FGD3MYXB3FN182928602
Jan 4, 2026
Carroll
Sold and shipped byFilterbuy
5 out of 5 stars review

Verified Purchase

GREAT PLEATED A/C FILTERS

Great filters in a four pack! Good price

Helpful?5FGD3MYXB3FN182928602