H-Class wet and dry dust extractor to suit a variety of environments. Powerful 1,380 W turbine with 254 mbars vacuum pressure. Also come equipped with antistatic features for the reduction of electrostatic charge. Has the ability to monitor constant air flow through the suction cup which can trigger an acoustic warning signal if necessary. Features and Benefits Automatic filter cleaning to keep you protected against hazardous materials Safety filter traps 99.995% of health-endangering dusts with the added certification for H class dust further increasing the level of health protection against carcinogenic and pathogenic Volume flow control for continuous working that alerts you if the air flow pressure is below the optimum Available in 110V and 240V to suit your individual work needs Notes All Bosch Power Tools with the Click & Clean System can be connected directly to the GAS 35H-AFC Professional without an adapter.