GF 4531 20x20x5 Fits MAC 2020 Actual Size 20 3/4 x 19 3/4 x 4 15/16"

  • Generalaire 4531 Furnace Filter 20x20x5 MERV 10 Upgraded to MERV 11 GFI 4556 for MAC Twenty Package of 3.
    Regular price
    Sold out
    Sale price
    $95.00
    • Generalaire Part # GFI 4531
    • 20 x 20 x 5 Media Pleated Filter
    • 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
    • Actual Size 20 3/4" x 19 3/4" x 4 15/16"
    • MERV 10 Rated
    • Made by ReservePro Parts for Generalaire
    • Package of 3
    • ¬†Available for in store pick up