If you want a product that will make sure that your stove is properly connected to the pipes that are intended to vent it, then you need to investigate the Heat-Fab Welded Black Stovepipe Slip Connector. Coming with a 6 inch diameter, this item is not the only item that you need to make sure that your stove system functions, but it does serve a critical role in making sure that it can in the grand scheme of things.