While the great majority of commercial downspouts are square or rectangular in shape, round downspouts are not uncommon. J.R. Hoe offers cast iron downspout boots to fit virtually any round downspouts. Designed with a contoured round bell at the top and maintaining the square/rectangular body for optimal fit against the building wall, cast iron downspout boots provide a durable, effective and visually pleasing transition for round downspouts tying into the drainage system.