NDS Spee-D 242 4-1/8" x 2' Green Plastic Channel Drain Grate. Blocks leaves and debris from entering and potentially clogging the pipeline while draining surface water into the channel drain. Works with the Spee-D Channel Drain to drain moderate water flows from driveways, concrete & paver patios, pool areas, courtyards, and walkways. The Spee-D Channel Drain Grate is made of high-density polyethylene (HDPE) treated with UV inhibitors. Spee-D Channels are part of the NDS Profile Channel series. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.