FiltersFast Compatible Replacement for Trion 20" x 25" x 5" (Actual Size: 19-5/8" x 24-1/8" x 4-7/8") 255649-102 Air Filter - MERV 8 2-Pack Dimensions: 20" x 25" x 5" (Actual Size: 19-5/8" x 24-1/8" x 4-7/8") MERV Rating: MERV 8 2-Pack For Added Convenience Designed with extended surface pleats Made in the USA!