Seller: nysalvage (4,018) 100%, Location: Oneonta, New York, Ships to: US & many other countries, Item: 201683121676 Nice antique cast iron heat grate vent with louvers. It is not marked, the manufacturer is unknown. Nice victorian decorative pattern. Most grey paint on top of grate remains. The unique 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 5/8" wide x 15 3/4" tall, Rough opening: 10 3/4" x 13 3/4" Depth: 3 1/4"