Optical fibres are placed in a high modulus loose tube. Tube filling compound is filled in the central tube to protect fibres. In addition, a layer of aramid yarn is surrounding the unitube as the strength member. Micro blown centre loose tube cable enables to cut ducts anywhere and any time for distribution, and without influence on other cable in the same time. As results, it saves lots of costs on construction and splicing joints. To sum up, this cable is usually used in air blowing constructions in access network.