?Constant suction power thanks to automatic cleaning?Extraction from electric tools such as concrete / masonry restoration grinders or wall grindersfor cleaning construction sites, e.g. in renovation areaLiquid suctionFull container volume of 36 can be used thanks to clever integration of filter technology in the head of the extractorExtremely robust design with large wheels and steel axis for use on the construction siteOptimal for power tools with socket outlet and automatic switch-on with start-up and shut-down delay, as well as infinitely variable extraction power controlLarge storage and set-down area for power tools and SystainerApproved for dust category L