This is a Genuine Trane / American Standard PerfectFit expandable filter media.
This expandable media filter is used in conjunction with the BAYFRAME Retrofit Frame Kit. You must already have the black plastic frame for these filters to work.
Important Note: The BAYFTFREXM2 and BAYFTAHEXM2 use the same filters sleeve in packaging but are different filters. Check the actual filter, not the sleeve for the correct item number when ordering your Trane Perfect Fit 5" Filter Media.
Approximately 25x5x1 not expanded.
Expanded in Frame:
Nominal Size (expanded in frame): 21x27x5
Actual Size (expanded in frame): 20.7x26.2x5
A341891G02
BAYFTFREX
BAYFTFREXM
BAYFTFREXM2A
DTRBAYFTFREXM2
FLR-6232
FLR-6373
FLR-7963
FLR06232
FLR06373
FLR6232
FLR6373
FLR7963
FLR07963
DPFTREXM2AM
TFM210B0FR03