Eliminate outdoor water runoff and pooling issues with the RELN Storm Drain channel drainage system. It is easy to install and allows maximum flexibility in solving your drainage requirements around the home or light commercial applications. Typical uses include driveways, pools and walkways wherever excess water and erosion are a problem. The systems design allows maximum flexibility in length of channels, corners, and intersections. The Storm Drain Channel system is compatible to 4 in. sewer pipe with bottom or end outlet connection. The tough durable and lightweight UV stabilized plastic channel includes a pressed steel galvanized grate to suit domestic pedestrian and vehicle traffic. Color: Galvanized steel.