The Davant GPF Grey Barrier Pipe 10mm x 25Mtr Coil is a flexible, high-performance polybutylene pipe designed for use in central heating and plumbing systems. Its integrated oxygen barrier helps prevent corrosion in metal components by reducing oxygen ingress, enhancing system longevity. Supplied in a convenient 25-metre coil, the 10mm diameter makes it ideal for tight spaces and easy routing in residential installations. The grey outer layer offers a clean, professional finish and improved UV resistance.