Honeywell Replacement MERV 11 Air Filter 16X20X5, 2-Pack

This filter removes many allergy-causing pollutants like pollen and dust mite debris and keeps your air clean. Features: Quality 4-3/8" pleated air filter offers improved filtration and longer service life over common 1" filters MERV 11 rating means the filter attracts and holds household allergens like dust, pollen, mold spores, and other small particles that irritate your lungs Replaces the popular Honeywell FC100A1003 - nominal size 16x20x5 Replace every 6 months under normal use