20x20x2 Pleated Air Filter MERV 8 - Highest Quality - 3 Pack - Actual Size: 19 &frac12; X 19 &frac12; X 1 &frac34; Proudly Manufactured In The USA The PM-SC MERV 8 pleated filters are available in a wide range of sizes for all commercial, industrial and residential applications The filter media is of a 100% synthetic, electrostatically charged, designed to attract and hold airborne contaminants Constructed of a rigid, heavy duty moisture resistant beverage board The wire grid is bonded to the filter media to eliminate the possibility of media oscillation and media pull away