Seller: nysalvage (4,225) 100%, Location: Oneonta, New York, Ships to: US & many other countries, Item: 201607763081 Material: Cast Iron, Details: Very nice blue antique cast iron cold air return with a decorative honeycomb pattern. It is not marked the manufacturer is unknown. It is painted in a nice blue finish on both sides with hints of its original rust finish. Overall it is in good usable condition with no cracks, breaks, or missing pieces. Please look over the pictures and ask questions when needed. Thanks for looking. Measures approx.: 28 1/2" X 22 3/8" overall, Would need a rough opening of 26 1/4" X 20 1/2"