RO-1000I(450L-H). output 450L/H Input power 2.75 kw power AC220V 18A / AC380V 9A 50HZ RO velum ESPA4040 3 pieces (two levels) Multi-levels pump CDL4-160/3kw 1piece Beforehand filter 750*1500*1.5 2 pieces precise filter 300*500*1.5 3 pieces Add press pump CHL8-30/101kw 1 piece Quartz 150 kg Activated carbon 50 kg SIZE 1500*840*1820mm FUNCTION: 1.RO membranes auto wash and manual wash 2.RO membranes manual wash with medicine 3.Machine auto-stop when pure water at high water level,low water level auto-start. 4.Multi-phases pump protecting when there is no water. 5.All kinds of electrical current protect include: no power ,poor power ,short circuit, large electrical current, creepage of electricity.