Quick answer: The Passive open holes sole cleaner works without water in dry condition — passive holes open under your sole as you step on it, and strong suction lifts dirt from the sole as you walk across.
Principle
Passive holes under the shoes sole — when people walk on it, the holes open and strong suction cleans the sole.
Passive holes under the shoes sole — when people walk on it, the holes open and strong suction cleans the sole.
Waterless
No water needed — dry condition working.
No water needed — dry condition working.
Compare with other models
Want a powered dry brush belt instead? See the Moving brush plate sole cleaner. For a choice of wet or dry roller cleaning, compare the Roller brush sole cleaner. For combined air-shower purification, see the Air Shower room Combined with shoes sole cleaner. Browse every model on the Products page.