| · | Continuous operation thanks to sand washing device, no stopping for back-washing required. |
| · | No mechanical moving parts. |
| · | Special design of feeding cone for homogenous distribution of raw water on sand bed. |
| · | Automatic control of hydraulic and solid load to prevent clogging of filter media. |
| · | Low maintenance, high reliability and performances. |
| · | Quartz sand at controlled size. |
| · | Stainless steel construction. |