The professional blowing device for fiber optic expansion (FttH) on network levels three and four (NE3 & NE4) is ideal for cable diameters of 2 to 4 mm and empty pipes with diameters of 7 or 10 mm. The complete set includes a tripod and a compressed air hose. The modular blowing system consists of a manual feed device, a divisible blowing chamber and a compressed air unit. With high blowing performance, fiber optic cables can be gently inserted into empty pipes or SNR over distances of up to 1,500 meters. Thanks to its low weight and intuitive handling, the installation process is simple and efficient. The compact and construction-site-friendly design makes working easier even in confined spaces. The divisible X-Blow® Micro blowing chamber enables the blowing in of fiber optic cables pre-assembled on one side. In addition, the device can be converted without tools and thus offers flexible use with different cable or empty pipe combinations. The blowing device is designed for cable diameters of 2 to 4 mm and empty pipes of types 2-3 with 7 mm and types 3-4 with 10 mm. It reaches a maximum length of 1,500 meters and a maximum pressure of 15 bar. The scope of delivery includes two blowing chambers, a compressed air unit, centering inserts, a fiber optic scissors, 240 ml Glit® Air, an empty pipe cutter and other accessories. A Sortimo case, a tripod and a 5 meter long compressed air hose are also included.