Filtrete by 3M Filter Air Dust Trap 15x96 Inches, Novena

Air foreign matter foreign matter for all kinds of air conditioning Fibers through a permanent electrostatic charging process. Foreign matter filters include animal dandruff, dust, pollen, bacteria, dust mites, mold, foreign matter as small as 0.1 microns o can be cut as needed. Should be replaced every 2 months.Depending on the amount of dust and foreign matter in the house And should be changed when the filter changes from white to black gray The filter has been electrostatically charged. Improves work efficiency like a magnet to suck and trap foreign matter in the air.