Yuanfilter Pleated AC Furnace Air Filters MERV 11 is made of MERV 11 synthetic media (comparable with MPR 1000-1200 & FPR 7), which protects homes from pets or allergies by trapping 95% of airborne particles without impacting air flow. Our MERV 11 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a our pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, allergens and other contaminants are removed. It provides a clean alternative to enhancing your air quality.