The Polylok 500mm round drainage sump catch basin is the most versatile box on the market today. It is ideal for landscaped area applications such as golf courses or garden. You can choose what height  you want your pipe connection to be when installing on site. It also comes compete with the only seal on the market of distribution boxes that accepts 2”, 3”, 4”(110mm) and pipe. No more different fittings in distribution boxes to inventory! It also comes with stabilising feet to anchor the box.