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YORK S1-MAC202005 or GF4531

York 20x20x5 Part # S1-MAC202005 or GF4531 / 4556 MacTwenty, 20x20x5 MERV 11. Package of 3.

In Stock

  • York 20 x 25 x 5 Pleated Filter, Part No. S1-MAC202005
  • Also for S1-FM10202005, 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 11 Rated
  • Package of 3         
  • Free Shipping In Ontario & Quebec*
  • Pick Up In Store $80.00

ReservePro 20x20x5 Part 4531 / 4556 Actual Size 20 3/4" x 19 3/4" x 4 15/16" MERV 11. Case of 3 Generic.

In Stock

  • Replacement for ReservePro 4531, 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
  • Case of 3
  • Made in Canada
  • Free Shipping in Ontario & Quebec*
  • Pick Up in Store $60.00