The Trane BAYFTAHEXM2 filter requires the following for use:
The Trane BAYFTAHEXM2 Expandable Replacement Media is a set of two furnace air filters that require the use of a Retrofit Frame Kit to be operable. This Trane Perfect Fit filter measures approximately 20 inches in length and 5 inches in thickness. This Trane air filter is expandable and has a MERV 8 rating which improves your overall indoor air quality by reducing contaminants. This Trane furnace filter is an OEM replacement part and has a filter life of 6 months.
Trane BAYFTAHEXM2 Expandable Replacement Media specifications: