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Generalaire 4531 Furnace Filter 20x20x5 MERV 10 Upgraded to MERV 11 GFI 4556 for MAC Twenty Package of 3.

Regular 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 5/8" x 19 3/4" x 4 15/16"
  • MERV 10 Rated
  • Made by ReservePro Parts for Generalaire
  • Package of 3
  • Free Shipping in Ontario & Quebec*
  • Pick Up in Store $80.00