Smooth and even more flexible – glides perfectly over surfaces, Strong features and advantages Robust, smooth surface prevents the dust hose from sticking. Internal dust hose, highly elastic for maximum flexibility. Conical geometry (32 mm to 36 mm) for better suction power optimized for vacuum cleaners with AUTOCLEAN. With RFID chip for automatic dust hose detection. Suitable for vacuum cleaners with AUTOCLEAN, antistatic, temperature resistant up to +70 °C. for work with renovation milling and cleaning tasks. smooth. conical, in a cardboard box, All-inclusive warranty http://www.festool.se/service