Required quality of inlet water: Standard municipal treated water Systematic treating flush: 1000 L/H Best working pressure: 0.1-0.3MPa Required temperature of inlet water; 5-45º C Size for connecting inlet and outlet pipe: 3/4" Size for connecting drain pipe: 3/4" Backwash controller: Manual flush Backwash time: Free setup KDF: 5--8years(300tons) Actiavated carbon: 2--3years(120tons)