... steel, 3.Bracket:Stainless steel 4.srcc, supply china fashion solar pool heater vendor 1.Inner tank:SUS304/ 2BFood Grade stain steel ,0 ... -target vacuum tube(58mm *1800mm). Hail resistance: 25mm DescripitionStainless steel solar water heaterMaterial of out tankFood grade 0.31-0.4mm ... quantity24 tube 58x1, 800mmTank capacity200-240LAssistant tank20L supply china fashion solar pool heater vendor