Honeywell FC100A1003 Replacement Media Air Filter-MERV 11, 16" X 20"

New MERV 10 (at 492 FPM) performance with lower pressure drop at no additional cost.

Product 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.