3" x 4" Aluminum Downspout 10 ft - Box of 10

3-inch x 4-inch aluminum downspout section, 10 feet long. For professional gutter installation and downspout system assembly. Used for straight downspout runs connecting gutter outlets to grade-level drainage. Suitable for new-install and replacement applications on standard 3x4 aluminum downspout systems. Each box contains 10 sections — 100 linear feet total.

Available in White 30° to match our 6" LG White gutter coil and 7" LG White gutter coil. Connects to matching 3x4 aluminum elbows and slip joints.

Complete your downspout system with 3x4 Aluminum Downspout Elbow A and 3x4 Aluminum Downspout Elbow B.

Building a 3" x 4" downspout run

A 3" x 4" downspout run starts at a 3" x 4" rectangular gutter outlet, changes direction with Elbow A and Elbow B fittings, and is fastened at each joint with white #8 zip screws. For a decorative alternative to a closed downspout, see the black hammered cup rain chain. Browse more contractor best-selling gutter accessories.