The Bosch 0 601 9C3 660 is a H-Class versatile wet/dry dust extractor with automatic filter cleaning developed for hazardous dust The GAS 35 H AFC Professional is a high-performance wet/dry dust extractor enabling better user protection. Its safety filter traps 99.995% of health-endangering dusts. The certification for H-class dust further increases the level of health protection against carcinogenic and pathogenic dust as well as organic material (e.g., mould) and container construction material (e.g., glass fibre). Its automatic filter cleaning mechanism prevents interruptions for constant working. A volume flow control monitors the constant airflow through the suction cup and gives an acoustic warning signal if the airflow is too low. Features H-class certified for carcinogenic and pathogenic dust, increasing user protection Automatic filter cleaning mechanism for constant working Flow control monitoring constant airflow through the suction cup, including an acoustic warning signal Powerful 1380 W turbine with 254 mbars vacuum pressure; antistatic features for the reduction of electrostatic charge Easy charging of USB-powered devices via battery adapter\'s integrated port Specification Weight: 12.4 kg Container volume, gross: 35 litre Tool dimensions (height): 575 mm Tool dimensions (width): 375 mm Dust class: H Tool dimensions (length): 515 mm Filter surface area: 5000 cm² Container volume, net, water: 19.2 litre Max. airflow rate (turbine): 74 l/s Wheels, number: 4 Rated input power: 1200 W Max. vacuum pressure (turbine): 254 mbar Dust class of wet/dry extractor: H Container volume, net: 23 litre