Polysewer is a series of PVCu structured wall pipes and fittings available in 150mm, 225mm and 300mm diameters, supplied in standard 3m lengths (6m lengths are also available). Polysewer is manufactured in accordance with BSI Kitemark License numbers KM55698 to WIS 4-35-01 and KM582885 to BS EN 13476. It is also BBA approved. Polysewer Integrally Socketed Pipes are supplied with 1 seal per pipe, and are subject to minimum order quantities and lead times.