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Trane/American Standard BAYFRAME235A Frame Kit With Filter (AKA FRM01434)

This kit includes plastic frame and 1 BAYFTAHEXM expandable accordian filter.  Once assembled - it is identical in size to the BAYFTAH23M 5" Box Filter. 

FEATURES:

• 21" X 23.5" X 5" nominal size 
• 20.1" X 23.2" X 5" actual size 
• Fits Air Cleaner model TFM235A0AH1
• Replacement filter media is less expensive to buy and ship than 5" box filters