WORK PRINCIPLE-No pump or filter is necessary,the water pressure from a garden hose enters the vacuum and creates a suction effect, which pulls dirt and debris into the fine nylon mesh collection bag,Saves water,no need to empty the pool to clean. Not suitable for very fine sand (e.g. Sahara sand), dust, pollen and mud. Property: Is very easily whirled up into a cloud of dust, often brought into the water by the wind.
The cleaner perfect for above ground pool,spas,hot tubs,ponds & fountains