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GeneralAire 4556 6FM2020 MERV11 Air Filter 20x20x5

Retail: $59.99
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Filters Fast® Replacement for GeneralAire 4556, 6FM2020 - 2-Pack

GeneralAire 4556
$32.48 per Filter
Retail: $89.99
You Save: 28%
Ships in 1 to 2 business days.
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6 - 12 Months
Filter Life
6 - 12 Months
MERV Rating
Reduces Dust
Reduces Pollen
Reduces Mold Spores
Reduces Pet Dander
Reduces Smoke & Smog
Reduces Allergens
Reduces Bacteria
Reduces Virus Carriers
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Product Information
GeneralAire 4556
Filters Fast FFC20205TAB

Your HVAC might be working harder than it has to, but the GeneralAire 4556 can relieve some of that load and extend its life! This air filter boasts a MERV rating of 11. It works to reduce allergens, smog, smoke, pet dander, mold spores, pollen, and dust in your household air. Replacing your filter every 6 to 12 months will keep you breathing fresh, optimal-quality air. You'll be rushing home after work to enjoy your home after installing this high-quality filter!


  • Brand: GeneralAire
  • Part Number: 4556
  • MERV Rating: 11
  • Filter Life: 6 - 12 Months
  • Dimensions: 20" x 20" x 5"

Compatible Models:

The GeneralAire 4556 is correct replacement for the following model numbers:

BrandModel NumberDescription
GeneralAireGeneralAir MAC 2020Air Cleaner filter media
GeneralAireGeneralAir MAC 2020MAir Cleaner filter media
GeneralAireTrion AirBear Supreme 20 x 20Air Cleaner filter media
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