This McAlpine G10 Shallow Bottle Trap is designed to prevent foul smells and gases from entering a building through the drain pipes. It is suitable for use in domestic and commercial plumbing applications and is designed to be fitted below a sink or basin. The trap has a 38mm water seal which effectively blocks gases and odors from passing through the trap and into the building. It also features a 1½" multifit outlet which allows it to be connected to a wide range of waste pipes and fittings. The McAlpine G10 38mm Water Seal Bottle Trap is made from durable polypropylene and is designed to withstand the pressures and demands of regular use. It is easy to install and maintain and can be cleaned quickly and easily when required. Overall, the McAlpine G10 38mm Water Seal Bottle Trap with 1½" Multifit Outlet is a reliable and effective component for any plumbing installation that requires a water trap to prevent foul odors and gases from entering a building.