Honeywell #FC100A1029, 16" X 25" Media Air Filter
New MERV 11 (at 492 FPM) performance with lower pressure drop at no additional cost.
Features
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.