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18" x 20" x 1" MERV 8 Pack of 12

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Product Description

Media replacement cartridge, for furnaces with filter cavities approximately sized 18 inches x 20 inches x 1 inches.


  • Actual measurements of filter: 17.5 inches by 19.5 inches by 0.75 inches.
  • Filter may be smaller than cavity to account for installation differences, but the size will not reduce the filter's effectiveness.
  • MERV 8 rating


  • 12 Filters

Fits: most Honeywell, Carrier, and Lennox furnaces.

Original part number: SC40-18X20X1, 18x20x1, 80055.012020, 12020BPFTPR, S77P.

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