General description This pack includes 20 units of premium 15mm copper tubes, each measuring 3 meters in length. These tubes offer a reliable alternative to traditional 1.2mm thick EN 1057 tubes, providing a cost-effective solution without compromising performance. Technical specifications Diameter: 15mm Length: 3m Thickness: 0.7mm Conforms to: BS EN1057 Kitemarked: R250 Warranty: 25 years