Nice large antique cast iron heat grate register with louvers. It is marked Tuttle & Bailey MFGCO N. It’s painted in a white, with some pale green over the original black finish. There is no cracks or breaks. The louvers are complete and do function as they should. Could be used for a cold air return. Overall, in very good condition. Please look over the pictures below and ask question when needed. Thanks for your interest. Overall – 18 1/4″ x 26 3/4″ X 3 1/4. Rough opening- 16″ x 24 1/2″ weight is 47Lbs.