Perforated Land Drainage Pipe - 60 mm (2") 25 Meters Coil Plastic single wall HDPE Land Drain pipe is corrugated inside and outside. Suitable for drainage channels under lawns and gardens and protecting roots during tree planting. When used for drainage purposes it is best laid in a bed of gravel to allow water to drain slowly. A range of fittings is also available to suit all pipe sizes, ie; End Caps, Couplers & Multi Y Connectors HDPE Land Drainage pipes are more robust than similar PVC Land Drainage pipes.Due to the properties of HDPE and the advanced profile design of the Land Drainage pipes they are strong and flexible which allows fast and easy installation and provides excellent water flow. Drainage Pipes use slot perforations for superior drainage. HDPE Land Drainage pipes have a high UV Resistance and do not turn brittle compared to similar PVC Land Drainage pipes. Specification: 4 sides perforations, 280 perforations per meter. Perforation Length: 15 mm Inside Diameter 50 mm Outside Diameter 60 mm Bend Radius 1 meter Coil Length 25 meter BS 4962: 1989