The McAlpine STW7-M is a 19mm water seal shower trap with a universal outlet, designed for easy installation into most shower setups and compatibility with various plumbing systems. Made from high-quality, durable materials, it features a 19mm water seal to prevent backflow and unwanted odors. The universal outlet allows connection to different waste pipe sizes, offering versatility. This shower trap is suitable for shower trays with a 50mm waste hole, has a 1.5" BSP thread, and a 1.5" universal outlet. Flanges are available separately in White or Chrome Plated Plastic, or Chrome Plated Brass.