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GENERALAIRE GF 4531 20x20x5

GENERALAIRE Part # GFI 4531 / MacTwenty, Genuine 20x20x5 MERV 10. Package of 3

In Stock


Generalaire Part # GFI 4531
Actual Size 20 3/4 x 19 3/4 x 4 15/16
MERV 10
Made by ReservePro Parts for Generalaire
Replacement MAC TWENTY Filters
Also for: S1 # S1-FM10202005, Source 1 # S1-MAC202005, Trion # 255649-103, Skuttle #448-3, Skuttle DB-0020-020, Air Bear Supreme 20x20, Generalaire MAC TWENTY
Package of 3

GF 4531 Aftermarket 20x20x5. Actual Size 20 3/4" x 19 3/4" x 4 15/16" MERV 11 Case of 3.

In Stock


Aftermarket 20 x 20 x 5 Pleated Filters
Actual Size 20 3/4" x 19 3/4" x 4 15/16"
MERV 11 Rating Also fits:
S1 # S1-FM10202005, Source 1 # S1-MAC202005, Trion # 255649-103, Skuttle #448-3, Skuttle DB-0020-020, Air Bear Supreme 20x20, Generalaire MAC TWENTY, Generalaire #4531
Case of 3
Mfg in Canada