Bryant Carrier FILXXFNC0021 Replacement Filter, 20x20x5 (2-pack) Replacement Filter 2 pack Bryant: FILBBFNC0021, FILXXFNC0021, FILXXFNC0121 Carrier: FAIC0021A02, FILCCFNC0021FILXXFNC0021, FILXXFNC0121 Merv 8 Actual size: 19-1/8 x 19-3/4 x 4-1/4