Replacement Filters for Honeywell FC100A1029, FC35A1001, and 203719.
Fits Honeywell Models: F25F100, F35F1008, F100F1012, F25A1043, F25F1042, F35F1008, F100F1012, F150E1026, Lennox X0583, F200E1029, FC35A1001, FC100A1029, FC200E1029, F50A1074, F50E1158, F50E1174, F50E1281, Lennox X8306, F50E6074, F50E8054, F50F1073, F50F1099, F55F1011, F58A1018, F300E1019, and Lennox X6672.