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.
