| stages | name of filter | function | service life |
| stage 1 | Sediment | Remove the large particles of sediment, like silt, rust, suspension particles, sand and gravel, etc | 3 month |
| stage 2 | GAC | Remove over 90% remaining chlorine organic matter, residual contamination, bacteria, iron, manganese and other harmful substances. | 12 month |
| stage 3 | CTO | Remove the reminder residual contamination and the partical carbon from stage 2 | 6 month |
| stage 4 | RO | Using reverse osmosis principle to contain inorganic salts, ionic substances, small molecule substances and heavy metals bacteria, viruses and substances harmful to human health and water separation(more than 96% removal efficiency) | 24-36 month |
| stage 5 | Post carbon | Filter the Subtle impurities, chemical resident as well as remove color and odor to improve water taste and the oxygen content. | 12 month |
| stage 6 | Alkaline | changing the PH of the water to make the water weakly alkaline,adjust the body acid-base balance. | 24 month |
| stage 7 | Mineralized | release of beneficial minerals and trace elements, to supplement the body needs. | 24 month |
