The McAlpine SR10V 75mm Water Seal Running Tubular Swivel Anti-Syphon (Silentrap) 'P' Trap with Multifit Outlet is a plumbing fitting made by McAlpine that is used in sink and basin installations. The SR10V trap features a 75mm water seal and an anti-syphon valve, which prevents water from being siphoned out of the trap and into the drainage system. The trap also includes a multifit outlet, which can be used with a variety of different pipe sizes and types. The SR10V trap is designed to be used in sink and basin installations, where it is important to prevent blockages and other plumbing issues. The trap captures debris and other materials before they can enter the main drainage system, and the anti-syphon valve ensures that water remains in the trap, even during periods of high flow. The running tubular swivel feature of the SR10V allows for easy installation, as it can be rotated to suit the required angle of the waste pipe. The multifit outlet also adds flexibility to the installation process, as it can be used with a variety of different pipe sizes and types. Overall, the McAlpine SR10V 75mm Water Seal Running Tubular Swivel Anti-Syphon (Silentrap) 'P' Trap with Multifit Outlet is a specific plumbing fitting that is used in sink and basin installations to prevent blockages and other plumbing issues. Its design features a water seal, anti-syphon valve, running tubular swivel, and multifit outlet, and its inclusion of all necessary components makes installation quick and easy.