NDS 547 Gray Plastic Mini Channel Drain End Cap conveys water flow toward the open end. Attaches directly to Mini Channel Drain, no coupling needed. The Mini Channel Drain End Cap is made of polyvinyl chloride (PVC) treated with UV inhibitors. Mini Channels are part of the NDS Profile Channel series, and ideal for capturing light water flows from pool and spa areas, concrete and paver patios, tennis courts, walkways, and driveways. Hassle-free limited lifetime warranty guarantees the NDS product is free from defects—or we’ll replace it.