Dyson Cinetic Big Ball Animal Plus Allergy Vacuum, (Certified Refurbished) - Corded No dirty filters to wash or replace. Dyson Cinetic science captures the dust that clogs other vacuums filters. Self-adjusting cleaner head. Seals in suction across carpets and hard floors. Wand and hose release in one smooth action, so its easy to clean up high and under furniture Hygienic bin emptying. Just push the button to release the dirt. Whole-machine HEPA filtration ensures allergens and bacteria are trapped inside the machine.