Downspout MachinesBy joelclose1 / August 2, 2023 Downspout machines available in all Sizes and Profiles Smooth, Round & Corrugated Smooth & Corrugated2 x 3 , 3 x 4 ,4 x 5 , 5 x 6 Smooth & Corrugated4 x 4 , 5 x 5 2″ through 6″ Round Downspouts Downspout Machines - Gutter and Downspouts and Elbow Machines are Available. Downspout Machines - Gutter and Downspouts and Elbow Machines are Available. Downspout Machines - Gutter and Downspouts and Elbow Machines are Available.