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Trane Perfect Fit BAYFTAH21W1A Prefilter 21.5x21x1


Retail: $34.99 /ea
You Save: 17%
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Retail: $34.99
You Save: 17%
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The Trane Perfect Fit BAYFTAH21W1A Prefilter 21.5" x 21" x 1" is an OEM replacement 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.


  • Brand: Trane
  • Part Number: BAYFTAH21W1A
  • Pack Size: 1
  • Dimensions: 21.5" x 21" x 1"
  • Filter Life: 3 months
  • MERV Rating: 5
  • Washable pre-filter
  • Slide-in media filter

The Trane BAYFTAH21W1A is the correct pre-filter for the following enclosures:

  • 21.5" enclosures

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