The AirSpace technology features an extra filter chamber for better distribution of the dust and dirt sucked in, ensuring maximum suction power is maintained even when the bag is full. The HEPA filtration securely traps problematic fine dust that can trigger allergic reactions, such as pollen, mold spores, and dust mites, within the bag. The optimal fit is ensured by the rounded corners. A well-designed closure mechanism keeps everything in the bag, preventing any dust from being stirred up again. Compatible with AEG and Volta models.