... devices 3. 30L,40L, 50L,60L,80L,100L Electric water heaterModel:DSZF-C1) Micro-computer control /remote control2)Vitreous ... enamel coating inner tank (one or two inner tank optional)3)Corrosion and acid resistance4)Non-fluorine ... 75 degrees Celsius7)Volume:30-100Stainless steel cylinder inner tank: 30L,40L, 50L,60L,80L,100L Electric Water Heater With CE Certification