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RESERVEPRO GF 4531 20 x 20 x 5

RESERVEPro 20x20x5 GF #4531 Mac Twenty MERV 10/ 4556 NEW MERV 11 Part # . Package of 3

In Stock

  • Replacement MAC TWENTY Filters
  • Actual Size 20 3/4 x 19 3/4 x 4 15/16
  • Made by ReservePro Parts for Generalaire
  • 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. Generalaire #4531
  • Package of 3

Trion/Air Bear 4531 Aftermarket 20x20x5. Actual Size 20 3/4" x 19 3/4" x 4 15/16" MERV 10. Case of 3

Out of Stock

  • Aftermarket 20 x 20 x 5 Pleated Filters
  • Actual Size 20 3/4" x 19 3/4" x 4 15/16"
  • MERV 10 Rated 
  • 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
  • Made in Canada by FurnaceFilters.Ca
  • Case of 3 


Sold Out

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

Out of Stock

  • Aftermarket 20 x 20 x 5 Pleated Filters
  • Actual Size 20 3/4" x 19 3/4" x 4 15/16"
  • MERV 11 Rated
  • 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

  • Manufactured in Canada by FurnaceFilters.Ca
  • Case of 3


Sold Out