The McAlpine WM1 is a 75mm water seal tubular swivel 'P' trap with a 1½" multifit outlet and inlet connection for the discharge from a domestic appliance. It is designed to provide a reliable and cost-effective solution for plumbing installations that require a trap for a domestic appliance such as a washing machine or dishwasher. The WM1 trap is made from high-quality materials, ensuring durability and long-lasting performance. The swivel 'P' trap design allows for easy installation and provides flexibility in positioning the appliance discharge pipe. The trap features a 75mm water seal to prevent the backflow of foul odors from the drain into the appliance. The 1½" multifit outlet connection makes the WM1 trap compatible with a range of plumbing systems, while the inlet connection for the appliance discharge allows for easy connection of the appliance to the trap. The trap also features an easy-to-clean design with removable components for hassle-free maintenance. Overall, the McAlpine WM1 75mm Water Seal Tubular Swivel 'P' Trap with 1½" Multifit Outlet and inlet connection for the discharge from a domestic appliance is a reliable and cost-effective solution for plumbing installations that require a trap for a domestic appliance. It is widely used in both domestic and commercial plumbing systems and is a popular choice among plumbers and builders for its ease of use and reliability.