GeneralAire 20x20x5 MERV 11 4556 ReservePro 6FM2020

Made in USA

Quality Alternative ($29.50/filter)

  • MERV 11, Made in the USA
  • Recommended
List Price $117.98

Our Price: $58.99

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GeneralAire 4556

  • MERV 11
List Price $105.99

Our Price: $52.99

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  • Product Overview

The genuine OEM GeneralAire 6FM2020 / 4556 MERV 11 Pleated Media Filter is designed for use in the GeneralAire MAC 1400, 2400G / 2400P, and MAC2020 whole house air cleaner cabinet. 4556 is a genuine OEM replacement for the discontinued GeneralAire ReservePro 4531 / 5FM2020 MERV 10 air filter.

GeneralAire 6FM2020 Air Filter Specifications:
  • Nominal Size: 20" x 20" x 5"
  • Actual Size: 20-5/8" (20.625") x 19-3/4" (19.75") x 4-15/16" (4.9375")
  • MERV Rating: 11
  • Filter Life: 6 to 12 months depending on air quality
GeneralAire 4556 Air Purifier Filter Compatible Model/Part Numbers:
  • 000-0448-003
  • 229990-103, 248713-103, 255649-103, 255149-003, 259112-103
  • 435790-001, 455604-001, 455602-019, 459200-007, 455602-225, 455602-227, 455604-019, 459200-005
  • 4531, 4556
  • 448-3
  • 5FM2020, 6FM2020
  • 91-005
  • DB-20-20, DB0020-020
  • MAC2020
  • P101-MF16
  • S1-MAC10202005, S1-FM10202005
GeneralAire 4556 Whole House Air Cleaner Filter is also known as:
  • 4531 - General Aire - 5FM2020 20” x 20” x 5” MERV 10 Filter Media.
  • GeneralAire 5FM2020 - 20" X 20" X 5" #4531 RESERVEPro MERV 10 Pleated Air Filter.
  • GeneralAire ReservePro # 4556 20” x 20” x 5” Air Filter MERV 11 6FM2020.
  • GeneralAir 4556 6FM2020 MERV11 Air Filter 20x20x5.
  • 20x20x5 ReservePro by GeneralAire GF-4556.