Microbore tube can be bent easily by hand or using an appropriate bending machine. The tube is unobtrusive when surface fixed. Copper Pipe/Tube/Plumbing/Microbore/Water/Gas/DIY CENTRAL HEATING. 1.6mm 1.7mm 1.8mm 1.9mm 2mm 2.2mm 2.5mm 3mm 4mm 5mm 6mm 6.35mm 7mm 8mm 9mm 9.52mm 10mm 12mm 12.7mm 14mm 15.88mm 16mm 19mm 22mm 25mm.
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