From Floplast
The Floplast square line system provides a traditional square style with a complete range of fittings available. All to provide a water tight installation. The Freeflow square line system is compatible with other square line rain water systems with use of a range of adaptors. FloPlast recommend the use of lubricant on all gutter seals for ease of fitting and improved performance. Features & Benefits: A semi - elliptical profile. High capacity - ideal for large roof areas. Pre-fitted gutter seal retaining clip system for fast user friendly installation. The high flow rate could result in less outlets and reduced drainage runs. Both 68mm and 80mm round downpipes can be connected to the gutter system.