stainless steel solar water heaters, solar energy,solar water heater the whole set lowest price is only 180 ... display, hot-cool water mixer valve, shower nozzle, water pipe 30m, heat preservation material, spare parts: collector tube 2 pcs glass tube ... 40kg/m3 Available sizes:16,18,20,24,30,36 tubes with capacity 135ltr up to 325ltr Customized is available