FiltersFast Compatible Replacement for Carrier FILXXCAR0124 24x25x5 Filter 2-Pack Merv 11 Carrier FILXXCAR0124 24x25x5 Filter 2-Pack Merv 11 Rating: MERV 11 Filter Life: 6 months (depending on use) Used in models FILBBCAR0024, FILBBFT0024, FILBBFTC0024, FILCCCAR0024 Made in the USA!