Pu hose with the material of pu Types: straight, spiral, coil Specification: 4x2.5, 5x3, 6x4, 8x5, 16x12, and so on , also can according to your request Length, according to your request, generally 100or200m/disk Excellent flexibility, good high pressure-resistant property, good vibration-resistant property, highly elastic.Operating temperature range is wide. The diameter size are of the high-precision control A variety of colors to choose:nature\orange\yellow\green\blue\black\red\transparent blue\transparent red Pu tube can be used in industry robot\pneumatic tools\air tools We have passed the syetem of quality certification of iso9002