The McAlpine TSG50-R125SS is a 50mm water seal trapped gully that features a tile/grating with a removable grid. It is designed to be used in horizontal waste pipes with a 2" outlet, and comes with a 2" x 1½" socket reducer to enable it to be connected to 1½" waste pipes. The trapped gully has a 50mm water seal, which prevents foul odours and gases from escaping through the waste pipe and into the building. The removable grid makes it easy to clean and maintain the trapped gully, ensuring that it remains in good working order for longer. The TSG50-R125SS is made from high-quality materials that are resistant to chemical corrosion and degradation, ensuring that it will last for many years. It is also compliant with all relevant building codes and regulations, making it suitable for use in residential and commercial properties. Overall, the McAlpine TSG50-R125SS trapped gully is a reliable and practical solution for preventing foul odours and gases from escaping through the waste pipe.