... ,SDR21,SDR26,SDR33Pressure: 0.4Mpa, 0.6Mpa, 0.8Mpa, 1.0Mpa, 1.25Mpa, 1.6Mpa Color: Black or others on request Connection: Socket ... blue stripes, and evenly distributed along the pipe circumference4.Advantage: 1.Non-toxic, no heavy metal additives, no fouling, not breed ... under normal conditions.8.Recyclable, benefit to the environmentOur company: high quality PE water rubber pipe manufacturer