16 3/8 x 21 1/2 x 1 Carrier Replacement Filter by Aerostar - MERV 13, Box of 12 Replaces Bryant/Carrier part # KFAFK0212MED Fits HVAC Unit Models: Bryant/Carrier/Payne: 030/036, FV4, FK4, FC4, FB4, FA4, FH4, FA4ANC036, FA4ANF030, FA4ANF036, FA4BNF036, FA4CNC024, FA4CNC030, FA4CNF030, FB4ANA036, FB4ANF030, FB4ANF036, FB4BNF030, FE4ANF002, FX4ANF030, FX4BNF030, FX4CNF024, FX4DNB019, FX4DNB025, FX4DNF019, FX4DNF025, PF1MNA036 (2.5 - 3 Tons) Pleated MERV 13 Media Comparable to MPR 1500 to 1900 and FPR 10 Â