... diameter: 480, 480, 610, 610, 610mm4) Thickness of inner tank: 1.5,1.5,2, 2, 3, 3, 3mm 5) ... all made by stainless steel, overcome the disadvantage of porcelain inner tank Capacity150 Liters200 Liters250 Liters300 Liters400 Liters500 LitersTypeVertical / horizontalVertical / horizontalVertical / horizontalVertical ...