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Reservepro 20x20x5 GF 4531 Mac Twenty MERV 10 Upgraded to MERV 11 Part # 4556. Package of 3

Regular price $110.00
  • Replacement MAC TWENTY Filters
  • Actual/Exact Size 20 3/4" x 19 3/4" x 4 15/16"
  • MERV 11 Rated
  • 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
  • Pick Up in Store $95.00