Glado Electric Water Heaters by V-Guard are packed with features that make it one of the most durable water heaters in the market today. They have a rust-proof ABS outer body and 304L grade stainless steel inner tank. 304L grade stainless steel is even used in heavy-duty machinery, so you can just imagine how durable the material truly is! Plus, a sacrificial magnesium anode further helps to prevent corrosion and promises that your water heater will have a very long product life. View Detailed Description