The Davant GPF Grey Barrier Pipe 22mm x 50Mtr Coil is a flexible, high-performance polybutylene pipe designed for central heating and plumbing systems. With a 22mm diameter and a convenient 50-metre coil length, it features an integrated oxygen barrier to help prevent corrosion in metal components. Its lightweight, durable construction and smooth grey finish ensure easy installation and long-lasting reliability in both residential and commercial applications.