... 2) Controller pump expansion 3) Collector tube dimensions: 58mm x 1.8m, 47mm x 1.5m 4) Water capacity: 100L, 150L, 200L ... 2) Controller pump expansion 3) Collector tube dimensions: 58mm x 1.8m, 47mm x 1.5m 4) Water capacity: 100L, 150L, 200L ... , 250L, 300L, 350L, 400L, 450L, 500L 5) Pressure: 6 bar China Domestic ...