HONEYWELL Media Air Filter 16" x 25" FC100A1029
 
New MERV 11 (at 492 FPM) performance with lower pressure drop at no additional cost.
 
Nominal filter size: 16" x 25" x 4" 
Actual filter size: 15-15/16" x 24-7/8" x 4-3/8"
Application: Replacement Filter
Efficiency Standard: Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2-1999
Efficiency Standard: 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%
Minimum Efficiency Reporting Value (Media Filters Only): MERV 11
Static Pressure Drop (in. w.c.): 0.23 at 500 FPM