Seller: nysalvage (4,017) 100%, Location: Oneonta, New York, Ships to: US & many other countries, Item: 201682443790 Nice antique cast iron heat grate vent with louvers. It is not marked, the manufacturer is unknown. Nice decorative pattern. Most white paint remains with some chipping. Some slight rust on areas where paint is chipped. Three out of the four original screws remain with one replacement screw. 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: 9 1/2" x 11 3/8", Rough opening- 8" x 10" Depth: 2"