Antique Cast Iron Victorian Grate Heating Ventilation Duct Intake 13-5/8”x9-11/16” Genuine Architectural Salvage Hardware. It came out from Victorian house in Pennsylvania. It is very heavy and rustic looking. I didn’t attempt to clean the rust. I believe it could be cleaned and finished to perfection, however I personally like this authentic look. The holes are 11-1/2” Center to Center across and 7-1/2” Center to Center top to bottom. It weighs 3 pounds 14 ounces. Insured shipping weight is 5 pounds. No visible cracks or chips.It is sold AS IS. Pictures are part of description. Bin#14