FiltersFast Compatible Replacement for Trane Perfect Fit BAYFTAH23M 21" x 23" x 5" (Actual Size: 20.1" x 23.2" x 5") 2-Pack MERV 11 Dimensions: 21" x 23" x 5" (Actual Size: 20.1" x 23.2" x 5") MERV Rating: MERV 8 2-Pack For Added Convenience Compatible upgrades over Trane Perfect Fit Air Filters Made in the USA!