The NDS 322G is a 3-inch pop-up drainage emitter with a 90-degree elbow, designed to be installed at a low point in a drainage system to discharge water away from structures and erosion-prone areas. The cap pops up due to water pressure when the system is in use and closes once flow diminishes to prevent debris and rodents from entering the pipe. It connects to 3 in. sewer and drain pipe and 3 in. triple-wall pipe and features a flat profile design and a weep hole in the elbow to prevent water stagnation and freezing. The cap and cover are made of high-density polyethylene (HDPE) and the elbow is made of polyvinyl chloride (PVC)

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