GeneralAire 3FM1625 / 4521 MERV 8 16x25x3 Pleated Media Filter

Made in USA

Quality Alternative ($18.66/filter)

  • 5 stars
  • (7)
  • MERV 8, Made in the USA
  • Recommended
List Price $111.98

Our Price: $55.99

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GeneralAire 4521

  • MERV 8
List Price $107.99

Our Price: $53.99

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  • Product Overview
  • Reviews

The genuine OEM GeneralAire 3FM1625 / 4521 MERV 8 Pleated Media Filter is designed for use in the GeneralAire MAC1200 and MAC1200M whole house air cleaner cabinets.

GeneralAire 3FM1625 Air Filter Specifications:
  • Nominal Size: 16" x 25" x 3"
  • Actual Size: 15-1/2" (15.5") x 24-1/4" (24.25") x 3"
  • MERV Rating: 8
  • Filter Life: 6 to 12 months depending on air quality
GeneralAire 4521 Air Purifier Filter Compatible Model/Part Numbers:
  • 14164
  • 255649-101, 229990-101
  • 3FM1625
  • 4521, 4520
  • MAC1200, MAC 1200 Series, MAC1200M
  • SBTRABC40, SBTRABCMQP
GeneralAire 4521 Whole House Air Cleaner Filter is also known as:
  • GeneralAire 3FM1625 MERV 8 Filter Media Cartridge.
  • GeneralAire 3FM1625 Filter Media 16 x 25 x 3.
  • 3FM1625 16 x 25 x 3 RESERVEPro Air Filter.
  • GeneralAire 3FM1625 16" X 25" X 3" #4521 RESERVEPro MERV 8 Pleated Air Filter.

0 out of 0 people found this review helpful.
5.0 Stars

Good company, easy to use website

By Man in 60s and over from Mishawaka, IN on 6/30/2020 3:53:42PM

Love the filters I get. They fit very well and do a great job. Website is easy to navigate and the service is great also.

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0 out of 0 people found this review helpful.
5.0 Stars

Couldn't be better

By Man in 40s from Davidsonville, MD on 7/23/2020 7:54:55AM

Shipping is crazy fast. Filters are money!

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0 out of 0 people found this review helpful.
5.0 Stars

Filters

By Anonymous on 11/27/2023 2:48:15AM

Fit perfect this is my first order I will shop here again

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0 out of 0 people found this review helpful.
5.0 Stars

Good price

By Male in 60s and over from Pekin, IL on 10/26/2022 10:27:50AM

Good filter,good price.

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0 out of 0 people found this review helpful.
4.5 Stars

Home filters

By Male in 40s from Louisville, KY on 2/15/2023 10:57:20AM

Perfectly well constructed

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0 out of 0 people found this review helpful.
4.5 Stars

Smooth process

By Man in 60s and over from Hookset, NH on 10/1/2020 8:34:35AM

Not sure have not installed as of yet. Looks fine.

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0 out of 0 people found this review helpful.
4.0 Stars

Great filters

By Male in 60s and over from Indianapolis , IN on 8/9/2024 11:22:53AM

These filters do the job. They fit and are easy to install. This is a good company to work with. Ordering is easy and shipping is quick. Will continue to buy from this company.

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