14x20x1 Dynamic Replacement Filter (3 Pack)

Dynamic�1/2��1/2reg; replacement filters are 97% efficient for particles down to 0.3 microns in size. They also remove allergens such as pollen mold spores dust mite pellets and other contaminants that other filters miss including bacteria smoke and other odors. Each filter contains electronic polarized media to provide maximum ozone-free air cleaning. Polarized particles attract each other and charged particles to form bigger clusters that are more easily captured. Change this filter every 3 to 4 months. Filter size is 14x20x1.