pex tube material: plastic, aluminum Sizes: 1216, 1620, 2025, 2632 ISO9001:2000 and ISO14001 approved pex tubeFeatures:Material: Polyethylene and AluminumSizes: 1216, 1620, 2025 ... DiameterRoll12*1616mm12mm100m,200m16*2020mm16mm100m,200m20*2525mm20mm50m,100m26*3232mm26mm50m,100m AL PEX tube