The McAlpine H28 Complete Screened Tank Overflow Connector with quick release Filter is a plumbing component used in overflow systems for water tanks. This particular model of overflow connector is designed for use with a standard water tank, and features a screened overflow outlet to prevent debris from entering the system. The quick release filter allows for easy access and cleaning of the filter without the need for tools or disassembly. The McAlpine H28 Complete Screened Tank Overflow Connector is made by McAlpine, a leading manufacturer of plumbing products in the UK. It is made of durable materials such as polypropylene and is designed to be resistant to chemicals and UV light. Installation of the McAlpine H28 Complete Screened Tank Overflow Connector should be done by a qualified plumber, following local codes and regulations. It is important to ensure that the connector is installed correctly to prevent leaks and other issues in the overflow system. Proper maintenance of the quick release filter is also important to ensure proper functioning of the overflow system. Please note that the H28 model is specifically designed for use with horizontal water tanks, whereas the R30 model is designed for vertical water tanks. ・ Available in ¾", 1", 1¼" and 1½" sizes ・ WRAS approved