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GeneralAire 3FM1625 MERV 8 Filter Media Cartridge


GeneralAire 3FM1625 MERV 8 Filter Media Cartridge
$19.99 /ea
Retail: $29.99 /ea
You Save: 33%
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Retail: $29.99
You Save: 33%

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Ships by Monday 6/25/2018
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Product Information

The GeneralAire 3FM1625 MERV 8 Filter Media Cartridge is designed for use in the following:

  • GeneralAir MAC1200 Air Cleaners
  • GeneralAir MAC1200M Air Cleaners

The General Air 4521 is a filter media cartridge that measures 16"x25"x3", and is the correct replacement part for GeneralAir MAC 1200 and MAC 1200M Air Cleaners. This General Aire filter is rated MERV 8, and consists of electro-statically charged 100% synthetic media which will dramatically reduce airborne contaminates and pollutants to provide much healthier indoor air.

These effective filter media cartridges capture airborne particulates as small as 1.0 micron deep within the layers of spun-bonded fibers, which do not have any chemical binders. The General Aire effective OptiFiber media is hydrophobic, therefore does not absorb moisture. It also resists shredding, which assures dependable and reliable dust-fighting capabilities.

GeneralAire 3FM1625 Air Filter Cartridge Specifications:

  • Part Number: 4521 or GeneralAir 3FM1625
  • Includes 1 Filter Media Cartridge
  • Dimensions: 16" x 25" x 3"
  • MERV Rating: 8
  • Maintenance: Replace General Aire filters every 4-6 months, depending on use
  • Replaces: Trion AirBear Cub 255649-101
  • Replacement air filter for GeneralAir MAC1200 & MAC1200M Air Cleaners

GeneralAire air filter cartridges should be maintained regularly for best results. Replace General Aire filters every 4-6 months, depending on use. GeneralAire can also be written as General Aire, GeneralAir and General Air.


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4521 is used in the following Models
 GeneralAire MAC1200
 GeneralAire MAC1200M
" Thanks for the fast service. All items were included in the order and arrived in good condition. " - Tom, Temperance, MI
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