The McAlpine SE10 75mm Water Seal Tubular Swivel 'P' Trap with Multifit Outlet is a plumbing fitting that is designed to provide a water seal between a waste pipe and a variety of different appliances, such as sinks, baths, and showers. The trap features a 75mm water seal, which prevents foul smells and gases from escaping into the room, and a multifit outlet, which allows for easy installation with a range of different waste pipe materials. The swivel 'P' trap design allows for flexibility in installation, making it easier to connect to a variety of different waste pipe configurations.