FiltersFast Compatible Replacement for Carrier FILXXCAR0024 MERV 8 24x25x5 Filter 2-Pack (Actual Size: 23 3/4" x 24 3/4" x 4 3/8") Carrier FILXXCAR0024 MERV 8 24x25x5 Filter 2-Pack MERV 8 rating Actual Dimensions: 23 3/4" x 24 3/4" x 4 3/8" Micron Rating: 0.3 micron Made in the USA