... : 150L,200L,250L,300L,400L,500L,600L,700L,800L............solar water collector1) Reliable, efficient, twin-glass evacuated tubes2) ... reducing your fuel cost13) Domestic and commercial use, solar collector is ideal for both domestic and commercial use, ... combination,harmonize with the building perfectly4.intelligent control and automatic operation5.work at anytime and enjoyable6.multifunction:bathing, ...