Remodelled airflows to capture more dirt and microscopic dust in the bin streamlined profile for even easier steering around the home for high suction on all floors our hose and wand release in one smooth action making it easy to clean up high dc40 multi floor is certified asthma allergy friendly by allergy standards limited just push the button to release the dirt ball technology is commended for its potential to prevent musculoskeletal discomfort during vacuuming