Seller: bwvargas (647) 99.3%, Location: West Liberty, Iowa, Ships to: US & many other countries, Item: 232148976703 Very rare, very cool vintage damper. Removed from a very old coal fired home furnace. Was used to open "regulate" the fire door to "stoke the fire". Sold as found, as shown. Great for restoration, art, steampunk. Collections Etc.