* Large particulate matters, iron and manganese are filtered in the first glass fiber reinforce plastic tank

* Peculiar smell is eliminated in the second tank.

* Sodium, calcium, magnesium, and other little microelement will be filtered in the third tank by resin inner. Water after treating flow through six blue filter bottles with PP cotton.

* Three tanks designed with self-cleaning function, no need to disassemble them for cleaning.

* Designed with RO rambrabe osmosis reverse system brought from USA. Water will be highly purified here, grade up to drinking satandard.

* One filter before RO reverse osmosis system for protecting.

* Two water inlet pressure gages, display of conductivity of water inlet and outlet, display of flowmeter of unqualified and qualified water, more easy to operate.

* RO membrane self-cleaning function, realize the repeated use of RO membrane.