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The Trane BAYFTFR21P4A is a replacement air filter for the following air cleaner models:
The Trane Perfect Fit BAYFTFR21P4A Filter - 21x27x1 fits several air cleaner models made by Trane. This Trane furnace filter measures approximately 21" x 27" x 1" and has pleats for the purification of your indoor air. This Trane Perfect Fit filter slides in easily and is an OEM replacement part.
Trane Perfect Fit BAYFTFR21P4A Filter - 21x27x1 specifications: