Seller: nysalvage (4,016) 100%, Location: Oneonta, New York, Ships to: US & many other countries, Item: 201641380353 Nice antique cast iron heat grate vent with louvers. It is not marked, the manufacturer is unknown. Nice decorative pattern. Nice remnants of original black paint over t's original rust patina. The louvers do function as they should. Overall good condition. Please look over the pictures below and ask question when needed. Thanks for your interest. Measures approx: 12 1/8" wide x 15 7/8" tall, Rough opening- 10" x 14" Depth: 2 1/2"