KALISTER Innerduct is a flexible raceway manufactured from High Density Polyethylene (HDPE) for use in underground and innerduct applications. Smooth wall offers superior protection, increases pathways of existing duct systems, allows extra channels for future cabling needs, and is ideal for jetting cable. Available in a wide range of sizes, colors, and options Plowing, opencontinuous trench, directional boring or pulled through existing conduits. Sizes 12" - 4"Multiple colors and stripesPrimarily manufacture in wall thicknesses SDR 13.5 and SDR 11Also available in wall thicknesses of SCH 40, SCH 80 and SDR 13.5 on special ordersPE Sub ducts are manufactured and tested for quality as per DIN 8074, 8075 and special requirements of various authorities.Complies to MOC , Kuwait requirements