It's the filter that never stops.
. The cyclone Dirt Trap help eliminates wash swirls and scratches with Cyclone Dirt-Trap Filtration Technology.The cyclone funnels of the Dirt Trap separate dirt through centripetal force and push it through tiny holes underneath the wash screen. The one way Cyclone Filtration system is a passive filter that never needs replacing and does not rely on moving parts, no disposable filters, and requires no maintenance or energy to set up, use, or store.