10x30x1 AC and Furnace Air Filter by American Airzone – MERV 13, pleated MERV 13 Media equivalents to MPR 2200 to 2400 and FPR 10. This is designed for Superior Filtration Efficiency Made with an electrostatically charged artificial cloth that draws and captures irritant between 0.3 – 1.0 microns,... 10x30x1 AC and Furnace Air Filter by American Airzone - MERV 13, pleated MERV 13 Media equivalents t...