The Trane Perfect Fit BAYFTAH21W1A Pre-filter 21.5" x 21" x 1" is an OEM filter from Trane that features a MERV 5 rating for the reduction of airborne particulates. This Trane Perfect Fit filter fits 21 1/2" enclosures and measures approximately 21.5" x 21" x 1". A major feature of this Trane furnace filter is that it is both washable and reusable, allowing for an economical alternative to costly air filtration.
Approximately 21.5" x 21" x 1"
Other Manufacturer Part Numbers: DTRBAYFTAH21W1A