Washable Metal Air Filter, Rectangular, Media Material Not Applicable, Air Filter Construction Mesh, Frame or Header Material Metal, For Use With (Systems) Not Applicable, Initial Resistance @ 300 fpm Not Applicable, Nominal Height 16 in, Nominal Width 16 in, Nominal Depth 1 in, Actual Height 15 5/8 in, Actual Width 15 5/8 in, Actual Depth 7/8 in, Standards UL Class 2