Poolrite 1/2 Unions old style 50mm with split ring +'O' ringDesigned for Poolrite installations, these 1 2 inch old style 50mm unions provide a precise, secure connection between your 50mm pressure pipe and 40mm pumps and salt cells. The kit features a split ring and an integral O ring, delivering a dependable seal that stands up to saltwater and routine maintenance. Old style 50mm unions sized to fit standard Poolrite piping, ensuring a reliable, compatible fit with existing fittings. Split ring + O ring