The NDS Channel Drain Grate in gray plastic is designed for use in driveways, patios, pool decks, and walkways. Made of durable polyethylene material, this 2 ft long grate has a maximum working temperature of 140 degrees Fahrenheit. It is compatible with NDS Channel model drains and has a maximum compatible pipe size of 4 inches. The set includes one drain channel with dimensions of 24 inches in length, 4.13 inches in width, and 3 inches in depth. Easy to install and maintain, this accessory is a practical solution for efficient water drainage in various outdoor areas.