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GeneralAire 6FM2025, 4551 MERV 11 Air Filter-20x25x5

Retail: $54.99
You Save: 18%
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Filters Fast® Replacement for GeneralAire 6FM2025 - MERV11, 20x25x5 - 2-Pack

$28.48 per Filter
Retail: $69.99
You Save: 19%
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 4551
Filters Fast FFC20255TAB

Change the way you breathe inside your home or office with the long lasting GeneralAire 6FM2025 replacement air filter. This filter is unique in that it is designed to last for 6 months. That is twice as long as many other filters. If you are having trouble with excess dust, troublesome pet dander, or allergy causing pollen then you will benefit from the deep pleated design and electrostatically charge filtration media that resists moisture and mold. As a filter buyer who wants greater dirt holding capacity or is looking to fuss less with your HVAC system, then the GeneralAire 6FM2025 provides incredible value and hassle-free maintenance for improved air quality.

GeneralAire 6FM2025 Replacement Specifications:

  • Part Number: 4551 6FM2025
  • Dimensions: 20" x25" x5" (Actual: 19-5/8" x24-1/4" x4-7/8" )
  • MERV Rating: 11

GeneralAire 6FM2025 Replacement is Compatible With the Following Air Cleaner Models:


  • MAC 2000, 3000G, 3000P, MAC-L, Perfect Platfom

Compatible Models:

The GeneralAire 4551 is correct replacement for the following model numbers:

BrandModel NumberDescription
General AireGeneral Aire MAC-L Air CleanersAir Filters Furnace Filters
General AireGeneral Aire MAC2000 Air CleanersAir Filters Furnace Filters
General AireTRION AirBear Supreme 2000 Air CleanersAir Filters Furnace Filters
GeneralAireGeneralAire MAC-LAir Cleaner filter media
GeneralAireGeneralAire MAC2000Air Cleaner filter media
GeneralAireTrion AirBear Supreme 2000Air Cleaner filter media
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