Honeywell 16 X 25 Media Air Filter ( 11)

Honeywell FC100A1029 16" x 25" x 4" Media Air Filter, 11: Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2 1999 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 Honeywell factory original, FC100A1029 pleated filter, 16" x 25" x 4", 11 Static Pressure Drop (in w.c.): 0.24 Used with Honeywell 16" x 25" F100 and F200 media air cleaners Nominal filter size: 16" x 25" x 4" Actual filter size: 15.875" x 24.75" x 4.375" Image may not represent correct model Honeywell FC100A1029 16" x 25" media air filter is applicable to all gas, oil and electric forced warm air furnaces Recommended replacement: every 6 to 12 months