Seller: nysalvage (3,748) 100%, Location: Oneonta, New York, Ships to: US & many other countries, Item: 191986958934 Nice antique cast iron heat grate vent with louvers. It is not marked, the manufacturer is unknown. Nice victorian decorative floral pattern. Nice original rust patina with some of the original black paint remaining. 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: 11 3/4" wide x 13 5/8" tall, Rough opening: 10" x 12" Depth: 2 1/4"