compact case RO system (with pump & without pump type) 5 stage filtration/ Tank storage 8L. with CE,ROHS certificate.
1． The first stage places the PP (Polypropylene)
Pretreatment the tap water firstly，removes the sand，floats，colloid， and impurity etc，the area of filter is large and eliminate dirt is strong so the effecting of filtrate is very good， use-life is long．
2．The second stage places the GAC（Grain of active carbon）
The adsorb color，peculiar smell， left chlorine， and substance etc harmful materials that bad for people’s health．
3．The third stage places the CTO (Compressed active carbon)
Adsorb color， peculiar smell，the substance and other harmful  things deeply，improve the taste of let-out water effectually.  The long use-life compressed active carbon and highly remove  dirt make the filter has the double functions．
4．The forth stage places the RO membrane
Use the RO membrane , it can cut off the float，colloid，grain and  bacteria that is iota，it also can remove the small molecule matter  in water，after filter，the water becomes much cleaner．
5．The fifth stage places the k-type in-line carbon
For more remove the bacteria deeply，so it can avoid the pollution again，which makes the water more sanitations and safe．

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