The McAlpine WM12 is a plumbing trap designed to be used with domestic appliances such as dishwashers and washing machines. The trap has a 75mm water seal to prevent foul odours from entering the room, and a 1.5" multifit outlet for easy connection to standard pipework. The trap also features a 135 swivel inlet connection, which allows the discharge pipe from the appliance to be connected at an angle that is convenient for installation. This swivel connection helps to ensure that the trap can be easily installed in tight spaces, without the need for complex pipework. The WM12 trap is designed as a tubular swivel trap, meaning that it consists of a curved section of pipe that creates a water seal. This water seal prevents unpleasant smells from entering the room, as well as preventing the backflow of wastewater from the pipework. Overall, the McAlpine WM12 trap is a reliable and easy-to-install solution for ensuring a clean and efficient waste system for domestic appliances such as dishwashers and washing machines. Its 135 swivel inlet connection and 75mm water seal make it a versatile choice for a range of installation scenarios. McAlpine WM12 75mm Water Seal Tubular Swivel All One Trap w/ 1.5" Multifit Outlet & 135° swivel inlet connection for the discharge from a domestic