| | Description and application | |
| | reducing turbidity, suspended matter, organic matter, colloid, ect. | every about 15 to 18 months |
| | removing the color, free chlorine, organic matter, harmful matter etc. | every about 15 to 18 months |
| | reducing water total hardness, make water soft and tasty. | |
| The security filter cartridge | preventing large particles, bacteria, viruses into RO membranes. | every about 1 to 3 months, depends on water source quality |
| | removing particles, colloids, organic impurities, heavy metal ions, bacteria, virus, heat source etc. harmful substance and99% dissolved salts. | |
| | killing bacteria, virus, keep water fresh and safe for drinking. | UV bulb needs to be replaced about 9000 hours |
