The Trane BAYFTFR21M2 (2-Pack) - Perfect Fit 5" Expandable Replacement Air Filter is a brand new, OEM filter.
Perfect Fit FLR06070 20 11/16 x 26 7/32 x 5 Air Filter, MERV 8
It fits the Trane TFM210BOFRO furnace. This Trane filter should be replaced every 6 months for optimal performance.

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