1. The short duration backwash, backwash water consumption is only 0.001 to 0.002% of the normal water production, water, power, energy conservation. 2. Clean efficient, thorough, can completely restore the initial state of the filter, which can be used for life, without replacement. 3. Water filter control system responsive, precise operation, with double pressure and time setting function, can backwash pressure or time settings and different water filtration precision flexible adjustment. 4. search and strain through its own capabilities, automatic backwash, can cope with the unstable water quality fluctuations, without human intervention. 5. Water filtration equipment backwash without interrupting the normal production of water, continuous operation, stable and reliable. 6. The water filter high precision, water quality and stability. 7. Water filter structure design compact and reasonable, small footprint, flexible installation of mobile. 8. The device less wearing parts, no consumables, low operation and maintenance costs, operation and management simple. 9. The water filter applications widely applicable to different raw water quality and water requirements.