NDS 8302 Sand Plastic Micro Channel Drain 45 Degree Elbow and Integrated Grate. Connects to the Micro Channel Drain to remove light flows of excess water around pools and spas, concrete and paver patios, and walkways. Helps prevent growth of slippery mildew, deck stains, and costly property damage. The Micro Channel Drain 45° Elbow and Grate come as one integrated part for an easy install. Recessed grate has openings parallel to the channel length. Made of polyvinyl chloride (PVC) treated with UV inhibitors. Micro 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.