MERV 7 general purpose pleated air filters provide between 35% and 50% efficiency for filtering particles between 3 and 10 microns in size (such as mold spores, dusting aids, and cement dust).
MERV 7 general purpose pleated air filters provide between 35% and 50% efficiency for filtering particles between 3 and 10 microns in size (such as mold spores, dusting aids, and cement dust).
MERV 7 general purpose pleated air filters provide between 35% and 50% efficiency for filtering particles between 3 and 10 microns in size (such as mold spores, dusting aids, and cement dust).