Powerful extraction unit primarily intended for use with other lab machinery that generate large quantities of dust fragments such as milling machines, model trimmers or sandblasters. BUFOR – GRAVITY FILTER FOR PROFI Additional filter module, optionally integrated with the main PROFI unit provides extra stage of filtration trapping heavier fragments before they enter the dust bag. MULTI-STAGE FILTRATION SYSTEM PROFI’s progressive filtration system is very efficient in trapping dust fragments and particles protecting the motor and the lab environment from dust pollution. HIGH CAPACITY DUST BAG PROFI features a high capacity dust bag with an easy access for replacement. POWERFUL MOTOR Generates enough suction power to serve several laboratory appliances.