This channel drain silt box is for use with our 40 tonne ductile iron channel drain and is also made from fibretec recyclable polypropylene and ductile iron. Silt Boxes are used to prevent any debris such as silt and soil from entering your underground drainage or water storage system. This box features a polyethylene mud bucket and slotted grating as well as multiple pipe connection options.FEATURES andamp; BENEFITS OF HAURATON CHANNEL DRAINSChannel and grating come in one part, making it easy to transport and installMuch lighter than concrete channel drainsMade from high strength polyethyleneAnti-slip surfaceFully weather resistant grating that can withstand high temperature differences, frost, de-icing salt and UV raysCompliant with DIN EN 1433 andamp; DIN 19580 specificationsFeatures PP-angle housing that prevents any lateral movement