80mm 3" Land Drain x 25m Metres Tree Planting Perforated Drainage Coil Pipe x 2
80mm x 25mtr Land Drain Perforated Coil x 2. The purpose of aland drain is to allow water in wet or swampy ground to rapidly drain away. They are subterranean linear structures which are laid to a fall which should be as steep as practicable.