The part number KFAFK0312LRG (or 317659-403) is a 19.75×21.5×1 size filter that fits the following models:
FE4, FY4, FA4, FX4, FB4, FV4, FK4, FC4, FH
TWE060D150, EX1000, FXDNF031, FX4DNB031,
FX4DNB037, FX4DNB043, FX4DNF037, FX4DNF043
PF1MNC036, PF1MNC037, PF1MNC042, PF1MNC043, PF1MNC048, PF1MNCO49
OEM Filter Option
OEM stands for Original Equipment Manufacturer and means that the part is the same as originally supplied with the air handler. By buying an OEM filter you can guarantee that you will not run into any issues with incorrect flow or fitment like you may find with aftermarket filters.
The KFAFK0312LRG OEM filter is a washable and re-usable filter and they typically last a couple years of regular bi-monthly cleaning before needing to be replaced.
Bryant/Carrier/Payne Fan Coil Filter KFAFK0312LRG - 19 3/4 x 21 1/ 2 x 1
- Pack of 2
- 19-3/4 x 21-1/2 x 1
- Metal Frame
Bryant/Carrier/Payne Fan Coil Filter KFAFK0312LRG Features: OEM - Original Factory Replacement Blue Hog Hair style with metal frame Washable Package of 2 reusable filters Specifications: Nominal Dimensions: 19 3/4" x 21 1/2" x 1" Actual Dimensions: 19 3/4" x 21 1/2" x 7/8" For Models FV4, FK4, FC4, FB4, FA4, FH4 Fits the following model air handlers - FA48NF048, FA4ANF042, FA4BNC042, FA4BNC048, FA4BNF042, FA4CNC042, FB4ANF048, FC4BNB054, FC4BNF042, FC4CNF048, FK4CNF003, FK4DNF005, FV4ANF003, FV4ANF005, FV4BNF003, FX4BNF042, FX4CNF042, FX4CNF048, FYANF042