Brass Elegans 116C DBZ Solid Cast Brass Contemporary 2-1/4-Inch by 14-Inch Floor Register, Dark Bronze Finish Model Heavy solid cast brass construction will not bend or warp Powder coated adjustable steel damper with no exposed edges to rust is screwed to the faceplate for easy removal Durable high quality decorative finishes Outer dimensions of brass face plate are 3 5/8 inch by 15 1/8 inch fits 2 1/4 inch by 12 inch opening Attractive contemporary design