Seller: isf10263 (1,637) 100%, Location: Grundy Center, Iowa, Ships to: US, Item: 233188295789 Broken part of antique furnace or stove grate or vent. Not sure what this is from. Piece looks like it came from a larger grate or vent. Very rusty. Please feel free to ask questions and thanks for looking. Condition: This is just a broken chunk from a larger vent or register. Very rusty.