The McAlpine STW7-M is a 19mm water seal shower trap with a universal outlet. The trap is designed to be used with a variety of plumbing systems and can be easily installed into most shower setups. The STW7-M is made from high-quality materials and is designed to be durable and long-lasting. It features a 19mm water seal to ensure that water does not flow back into the shower and helps prevent any unwanted odors from entering the bathroom. The universal outlet design of the trap allows it to be easily connected to a variety of different waste pipe sizes and configurations, making it a versatile option for any shower installation. Overall, the McAlpine STW7-M 19mm Water Seal Shower Trap with Universal Outlet is an excellent choice for anyone looking for a reliable and effective shower trap solution. It is easy to install, durable, and versatile, making it a great addition to any bathroom plumbing system. ・ Flanges available in White or Chrome Plated Plastic, or Chrome Plated Brass ・ Suitable for shower trays with a 50mm waste hole ・ 19mm Water Seal ・ 1½" BSP Thread ・ 1½" Universal Outlet