Dust Full Indicator alerts users when to empty dust bag & dust the filter change dust bag when indicator turns “RED”2-Way Parking for2-Way parking systems enables user to attach the pipe onto the set during & after cleaning for easy cleaning and storage360 degreeSwivel Hose gives you easy movement with hose, for more convenient cleaning of yours.Breathe easy Samsung uses HEPA filtration to ensure the cleanest exhaust when you vacuum. By catching micro particles such as dust and other allergens like pollen and mold, HEPA filters deliver a much cleaner and healthier environment. In fact, the exhaust air quality and emission ability of our HEPA filters has been certified by the SLG, the Germany’s highly respected testing and certification institute. And some of our house mite and allergen filtration has been certified