It comes in a variey of diameters. There are a few varieties available but typically the most common form of single wall flue pipe is vitreous enamel. Alternatively we have a selection of stainless steel flue pipe if you would prefer a more contemporary look and is ideal for painting with high temperature paint should you wish to colour match your pipe. All wood burning, multifuel or solid fuel appliances will require some sort of flue. Depending upon where you are placing your stove, fireplace, cooker or fire will determine which kind you require. If you already have an existing chimney and it is of sound construction you will need to connect your appliance into the chimney. This is usually done with single wall flue pipe, typically vitreous enamel or stainless steel single wall pipe.