1. 5 stage ro water filter system

The first stage filter is 5 um PP filter which can effectively filter out those big solid substances,suach as steel rusty,sand and stone etc. The second stage filter is GAC which can adsorp the cholorine remains,humous matter,by=product of sterilization,bad smell,lolour water etc. The third stage filter is 1 um PP filter which can further reduce the granule substance and protect the RO membrane. The forth stage filter is RO membrane which can effectively filter away the bacteria,virus,heavy metal ion and pesticide remains.because the membrane hole size is 0.0001um(0.1nm).it means a bacteria or a disseminating virus cannot pass through until the former is able to downsize 4000 times and the latter is capable of contracting 200 times. The fifth stage filter is T33 filter which can make the pure water fresh and tasted well.  )  

2. Auto-stop when no water or pressure tank is full 3. Automatic washing ro membrane to extend the service life

4. water lack alarm system to remind user. 5. Indicator showing the working status by beautiful color and pattern.

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