The McAlpine R45 Complete Screened Tank Overflow Connector with Quick Release Filter is a plumbing component that is designed to be used with a screened tank overflow outlet. The R45 model is a standard variant of this product. The purpose of the R45 connector is to prevent debris from entering the tank through the overflow outlet. The quick release filter feature allows for easy removal and cleaning of the filter screen, which helps to maintain the flow rate of the overflow outlet. The R45 connector is made from high-quality materials and is designed to be durable and long-lasting. It is suitable for use in a wide range of applications, including rainwater harvesting systems, industrial water storage tanks, and agricultural water tanks. Overall, the McAlpine R45 Complete Screened Tank Overflow Connector with Quick Release Filter is an essential plumbing component for anyone who wants to ensure the cleanliness and efficiency of their water storage system. ・ Available in ¾", 1", 1¼" and 1½" sizes ・ WRAS approved