The McAlpine 1" In-Line Screened Filter Pipe Coupling is a plumbing fitting used to connect two pipes of 1 inch diameter while also providing a filter to prevent debris from entering the plumbing system. The coupling has a built-in screen that filters out particles such as sand, grit, and other debris that could damage downstream equipment or cause blockages. This type of coupling is commonly used in plumbing systems that draw water from wells, rivers, or other sources where sediment may be present. The screen helps to protect pumps, valves, and other components from damage and prolong their lifespan. Installation of the McAlpine 1" In-Line Screened Filter Pipe Coupling is straightforward and can be done by a qualified plumber. The coupling is made from durable materials such as plastic or metal and is designed to withstand high water pressure and temperature. Overall, the McAlpine 1" In-Line Screened Filter Pipe Coupling is a reliable and effective solution for plumbing systems that require protection against debris and sediment. ・ Available in ¾", 1", 1¼", 1½" and 2" sizes