Swirl® dust filter bags with AirSpace Technology - Long Power - guarantee maximum suction power and filtration until the bag is full.,- An extra filter chamber pre-filters the sucked-in dirt and thus ensures better dust distribution in the bag.,- A significantly improved cleaning performance is achieved through the anti-allergen HEPA filtration.,-Swirl AirSpace dust filter bags - for a clean and fresh cleaning result - simply for a feel-good factor.