The McAlpine ST90WH10-70 is a water seal shower trap designed for use in showers and wet rooms. It has a 90mm x 50mm size and a 1½" outlet. The water seal design helps to prevent unpleasant odours from entering the room by creating a barrier between the shower waste and the outside air. The trap is made from high-quality materials and is designed to be easy to install. It has a removable top section for easy cleaning and maintenance, and the trap can be easily accessed and cleaned from above. Overall, the McAlpine ST90WH10-70 is a reliable and effective choice for anyone looking for a high-quality shower trap that will help keep their bathroom clean and fresh-smelling. ・ Flanges available in White or Chrome Plated Plastic, or Chrome Plated Brass ・ Suitable for shower trays with a 90mm waste hole ・ 50mm Water Seal ・ 1½" BSP Thread ・ Supplied with 135° Bend - BSP coupling nut x 1½" Universal