DC52 is the only vacuum that never loses suction. With Dyson Cinetic cyclones Dyson's most efficient cyclone technology there's no need to ever replace a bag or wash a filter. Ball technology means DC52 turns on the spot, following you without awkward moves. And Dyson's most advanced cleaner head technology ensures high pick-up across all floors. 10 years without losing suction. No bags, no filters to wash, or replace, ever.