... ESPA8040 20PCS Multi-phasese pump: CR45-8(Groundfos Brand) Beforehand filter: 1600(diameter)x3400(Height)x3.0(thickness) 2items PP ... 1 item Booster pump: CR45-2 Active carbon filter: 1600kg Quartz sand filter: 5000kgNote: pls feel free call me if ... , over rated power protection Size (mm): Main machine: 5000x1250x1800 Beforehand filter: 5000x1700x4200for the Post UV, Ozone system , water storage tank ...