Range Hood Filter Style - Air Filters Panel Rectangular Nominal Filter Size 12x12x1 Media Material Aluminum Air Filter Construction Mesh Frame or Header Material Aluminum For Use With (Systems) Broan NuTone Whirlpool Media Color Silver Air Flow @ 300 fpm 281 cfm Max Temp 275 Degrees F Max Velocity 500 fpm Nominal Height 12 in Nominal Width 12 in Nominal Depth 1 in Actual Filter Size 11-7/16 in x 11-13/16 in x 3/8 in Actual Height 11 7/16 in Actual Width 11 13/16 in