GeneralAire RESERVEPro 4551 20x25x5 MERV 11 MAC2000 Air Cleaner Filter

Made in USA

Quality Alternative ($29.00/filter)

  • 5 stars
  • (3)
  • MERV 11, Made in the USA
  • Recommended
List Price $115.98

Our Price: $57.99

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GeneralAire 4551

  • MERV 11, Genuine OEM
List Price $119.99

Our Price: $59.99

In Stock
  • Product Overview
  • Reviews

The genuine OEM GeneralAire 5FM2025 / 4551 MERV 11 Pleated Media Filter is designed for use in the GeneralAire MAC2000 whole house air cleaner cabinet. Replaces the previous GeneralAire 4501 (MERV 10) air filter.

GeneralAire 5FM2025 Air Filter Specifications:
  • Nominal Size: 20" x 25" x 5"
  • Actual Size: 19-5/8" (19.625") x 24-3/16" (24.1875") x 4-15/16" (4.9375")
  • MERV Rating: 11
  • Filter Life: 6 to 12 months depending on air quality
GeneralAire 4551 Air Purifier Filter Compatible Model/Part Numbers:
  • 14201
  • 255649-102, 259112-102, 259112-105, 229990-102, 248713-102
  • 4501, 4500, 4551
  • 5FM2025
  • BMAC‐20C, MAC‐10, MF1‐20
  • GF‐2025, GF‐GAFB2832, GF‐GAFB2843
  • MAC2000, MAC-L
  • P101‐MF20
  • S1‐MAC10202505
  • Trion Air Bear Supreme 2000
GeneralAire 4551 Whole House Air Cleaner Filter is also known as:
  • GeneralAire 4551 RESERVEPro 20x25x5 Furnace Filter.
  • GeneralAire 4551 - 5FM2025 MERV 11 Replacement Filter.
  • GeneralAire MAC2000 4551 Furnace Filter.
  • Generalaire 4551 5FM2025 20 x 25 x 5 MERV 11 Media Air Filter for MAC2000.
  • GeneralAire 4501 20” x 25” x 5” MERV 10 Filter Media.

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

Great Product

By Male in 60s and over from Kennesaw, GA on 2/21/2023 8:01:10 AM

quick, Highly Recommended

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

Outstanding filters

By Male in 60s and over from Boulder Junction, WI on 5/29/2022 6:39:29 AM

Good quality

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0 out of 1 people found this review helpful.
4.5 Stars

Great Product / Quick Delivery

By Man in 60s and over from Rixeyville, VA on 6/25/2019 7:49:55 AM

Very Fast Prompt Delivery! Much Appreaciated

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