FiltersFast Compatible Replacement for Trane 21" x 23" x 5" (Actual Size: 20.1" x 23.2" x 5") Perfect Fit BAYFTAH23M Filter 2-Pack MERV 8 Dimensions: 21" x 23" x 5" (Actual Size: 20.1" x 23.2" x 5") MERV Rating: MERV 8 Perfect Fit Series 2-Pack For Added Convenience Made in the USA!