... Solar water heater: CE certified, high efficiency, TIG welding, easy installation, reliable quality, good finish. Super stainless steel CE certified, high efficiency, TIG welding, easy installation, reliable quality Solar Water ... class SUS 304 2B stainless steel sheet with thickness of 0.5mm;Inner tank Dia ... 420mm, 470mm 600mm;Insulation material: High pressure PU foaming with thickness of 55 mm;Stand: ...