The three-phase industrial vacuum cleaners of the series “7” represent the top of the range of the three phase vacuum cleaners of “medium power”produced by RGS. They are equipped with electric control box that can not only handle the vacuum cleaner but also a full range of options and running a centralized vacuum system. All suction units comply with the European Directives and American rules, and as an option they can be supplied with energy effi ciency class IE2 and IE3. All models are equipped with star fi lter with bigger surface of 2.2m², manual filter shaker and removable container with 65 and 100lt of capacity.