ACO HexDrain is a high strength, high quality channel drainage system suitable for a range of domestic drainage applications. Dimensions Width: 125mm Length: 125mm Depth: 125mm Invert: 75mm Spigot Size: 110mm Description Manufactured using recycled polypropylene; ACO HexDrain has a range of innovative features which makes installing drainage channels easier than ever.image The high quality, high strength channel system is available in lightweight 1 metre units, making ACO HexDrain quick and easy to install.