This standard socket union connects two sections of 1.5-inch PVC pipe using glue-in slip joints on both ends. Designed to create a quick disconnect point anywhere along your pool's plumbing lines, the heavy-duty union nut unscrews easily so you can pull pumps, filter valves, or chlorinators for service without cutting pipe. The built-in rubber O-ring creates a reliable, watertight seal that withstands high system pressure.