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The Filters Fast 5" Trane Perfect Fit 21x23x5 Compatible FFC21235TRN OKGM is the correct replacement for the following:
This Filters Fast air filter also replaces Trane Perfect Fit BAYFTAH23M. This air filter will reduce pollen, dust, pet dander, mold spores, dust mites and other allergens from your indoor air. This replacement air filter is rated MERV 13, and comes 2 in a pack.
The Filters Fast 5" Trane Perfect Fit 21x23x5 Compatible FFC21235TRN OKGM specifications: