Filters Fast Carrier P102-2025 Air Filter Compatible MERV 11 2-Pack Carrier P102-2025 Air Filter Comp. 20" x 25" x 5" MERV 11 2-Pack Actual size: 20 1/4 x 25 3/8 x 5 1/4 - Inch Filter Life: 6 months (depending on use) Replaces: P102-2025, P0102-2025BB, B1-1056, M8-1056, P102-MF20, 9183970 Made in the USA!