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FiltersFast FF4M8-20254, 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack


FiltersFast FF4M8-20254, 20x25x4 MERV8 Replacement for GeneralAire FP2025 3-Pack
Retail: $51.99 /ea
You Save: 14%
As low as
Retail: $51.99
You Save: 14%

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Product Information

The FiltersFast FF4M8-20254, 20x25x4 MERV8 is the compatible replacement for the GeneralAire FP2025. This set of FiltersFast MERV 8 filters effectively reduces contaminants from your indoor air. Removing these airborne particles can help improve allergies and alleviate sinus irritation that can cause watery eyes, itchy throat, coughing, and sneezing. Electrostatically charged and constructed with spun micro-fiber that will not retain moisture, these FiltersFast HVAC filters will also extend the life of your heating and cooling system by making it work more efficiently.

FiltersFast 20x25x4 MERV8 Specifications:

  • Part Number: FF4M8-20254
  • Replaces Part Number: 4526
  • Pack Size: 3 Filters
  • MERV Rating: 8
  • Filter Type: Electrostatic pleated
  • Material: Synthetic
  • Replace every 3 months
  • For commercial and residential use

Dimensions of the FiltersFast 20x25x4:

         Nominal Size            Actual Size

  • 20x25x4 Air Filter   19-1/2 x 24-1/2 x 3-1/2

NOTE: If you don't see your size, order a custom made air filter! Custom made air filters do not come individually wrapped. Please be advised that some larger filters require an additional cost (see dropdown window above).

Additional Resources:

For more information on air filter efficiency ratings, check out our resources below!

MERV Air Filter Chart


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" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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