McAlpine Shower Trap: High-quality shower trap designed for reliable drainage and easy maintenance in your bathroom Top Access Design: Features convenient top access for straightforward cleaning and maintenance without removing the entire unit 50mm Outlet Size: Equipped with a standard 1.5 inch (50mm) outlet for compatibility with most shower drainage systems Model STW4-R: Professional-grade shower trap model STW4-R engineered for durability and long-lasting performance Easy Installation: Designed for simple installation in shower bases and wet room applications with secure fitting, Weight: 0.6393405598 pounds, Manufacturer: McAlpine