The heavy-duty ductile iron channel grate is built tough to stand up to the elements. The 8 in. Pro Series™ Channel Drain Grate works with the 8 in. Pro Series Channel to block leaves and debris from entering and clogging drain pipes as it drains moderate flows of water from driveways, concrete and paver patios, courtyards, walkways, and sports facilities.
Will rust over time, forming a protective iron-oxide patina that begins red-orange & ages to a deep, rich brown. NDS iron grates are lightly painted black to inhibit rust formation for shipping & storage purposes only.