Honeywell POPUP1625 (2-Pack) - 16" x 25" POPUP Media Air Filter, MERV 11

Application: replacement filter Used with: Honeywell 16X25 F100 and F200 media air cleaners Efficiency standard: 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 16x25 air filter has minimum efficiency reporting value (media filters only): MERV 11