02 ago Filtrete 20X20X4 Ac Furnace Air Filter Mpr 1000 Merv 11 Fits Honeywell Allergen
Fits systems calling for a filter thickness of 4.31" and larger....
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02 ago Filtrete 20X20X4 Ac Furnace Air Filter Mpr 1000 Merv 11 Fits Honeywell Allergen
Fits systems calling for a filter thickness of 4.31" and larger....
02 ago Nordic Pure 20X20X4 Actual Size 19 1/2 X 19 1/2 X 3 5/8 Pure Carbon Pleated
Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air filter. With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer....
02 ago Aerostar 20X20X4 Merv 13 Pleated Replacement Air Filter For Honeywell
Replaces Honeywell part numbers F25, 203721, F35, F35R, FC35A1019, F100, F150, FC100A1011, F200, FC200E1011, F50A1124, F50A1165, F50E1026, F50E1182, F50E6124, F50E6165, F50E8021, F50E8062, F50F1107, F50F1040, F55A1244, F55A1426, F55A1459, F55F1029, F55F1052, F58A1050, F58F1026, F300E1027 and Lennox....
01 ago Filtrete 20X25X4Slimfit Ac Furnace Air Filter Mpr 1550 Dp Healthy Living Ultra
Fits systems calling for a filter thickness of 3.75" and larger....
01 ago Honeywell Home 20X25X4 Merv 8 Ac Furnace Air Filter 3 Pack Cf100A1025-3Pkam
Exceptional protection against dust, viruses, bacteria, fungus, pollen, and spores....
01 ago Nordic Pure 20X25X4 Actual Size 19 1/2 X 24 1/2 X 3 5/8 Furnace Air Filters
Important Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air filter. With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer....
01 ago Honeywell Home 20X25X4 Merv 8 Ac Furnace Air Filter 3 Pack Cf100A1025-3Pkam
Exceptional protection against dust, viruses, bacteria, fungus, pollen, and spores. Product Features....