Declor activated carbon filters are used to reduce the excess of residual chlorine and to remove bad smells and chemical pollutants such as atrazine, hydrocarbons, etc. The channelling created by water on the filter media shall be periodically removed with a backwash. The backwash frequency can be programmed by time. The system is to be sized according to the flow rate required by the user and to the level of chlorine and organic substances.
Declor units are made up of:

• head with hydropneumatic valve in plastic material and electronic timer ET 500 F

• cylinder in plastic material covered in fireglass containing special media of activated carbon of vegetal origin with adsorbent action.