Required quality of inlet water: Standard municipal treated water Systematic treating flush: 1200 L/H Best working pressure: 0.1-0.3MPa Required temperature of inlet water; 5-45º C Size for connecting inlet and outlet pipe: 1" Size for connecting drain pipe: 3/4" Backwash controller: Automatic flush Backwash time: 1-99 days free setup KDF: 5years(600tons) Actiavated carbon: 2years(240tons)