Range Hood Filter Nominal Filter Size 12x12x1 Media Material Aluminum Mesh Air Filter Construction Mesh Frame or Header Material Aluminum For Use With (Systems) Broan QT Series Media Color Silver Filters Out Food Odors Nominal Height 12 in Nominal Width 12 in Nominal Depth 1 in Actual Filter Size 11 1/4 in x 11 3/4 in x 11/32 in Actual Height 11 1/4 in Actual Width 11 3/4 in Actual Depth 11/32 in Includes Duct Free