NDS 833 8" x 8.25" x 18-11/16" Light Gray Deep Profile Pro Series Channel Drain collects heavy flows from driveways, patios, courtyards, walkways, and sport facilities, and directs the water to drain pipe. The 8 in. Pro Series Channel Drain is a 7-1/4 in. deep polyvinyl chloride (PVC) channel. The modular design features interlocking joints for quick and easy connections. Channels join together for longer runs & can be cut to lengths as short as 4 in. for smaller sections. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.