Genuine Honeywell Filters. These are model FC100A1037 replacement media filters. All Honeywell FC100A**** series filters carry a MERV rating of 10. The FC100A1037 replacement media filters measure approximatley 20x25x4-3/8. We sell them in quanities of 1, 2, and 5. Stock up and save! The Honeywell FC100A1037 filter is used to replace the following:
Honeywell FC100A1037
Honeywell Part # 203720
Honeywell 20x25x4 Furnace Filters*
Honeywell 20x25x5 Furnace Filters*
Honeywell F25F1026
Honeywell F35F1016
Honeywell F100F1038
Honeywell F1501034
Honeywell F200E1037
- MERV 10
- Efficiency ranges are defined for small particles, E1=0.3 to 1.0 microns; medium particles, E2=1.0 to 3.0 microns; and large particles, E3=3.0 to 10.0 microns.
- Fractional Efficiency: E1=25%, E2=62%, E3=85%
- Static Pressure Drop:0.23 at 500 FPM
- Used With Air Cleaner Models: F100F2010, F150E1034, F100B1032, F100F1038. Fits many others.
Q. What does MERV mean?
A. MERV is a 16 point scale used to describe how efficiently an air filter removes particulates (dust) of varying sizes. In short, the higher the MERV; the better the performance. MERV 16 is considered to be a HEPA class filter while MERV 8 will not remove much more than common household dust.
Q. Is it better to get the highest MERV rating available?
A. Not necessarily. Your furnace/air conditioner can only overcome so much resistance to airflow and still work properly. The amount of resistance created by the air filter is measured in static pressure drop. Typically, you will find that filters with high MERV rating also create an excessive static pressure drop.
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