US Home Filter SC80-16X20X2 MERV 13 Pleated Air Filter (Pack of 6), 16" x 20" x 2" Actual Size: 15-1/2" x 19-1/2" x 1-3/4" MERV 13 tested under ASHRAE 52.2-2007 standards Ideal for those with moderate to severe allergies Moisture resistant, heavy-duty frame Galvanized expanded metal backing