- Food grade SUS 304 stainless steel used for inner tank.
- High quality three-target vacuum tubes for better efficiency.
- High-density polyurethane foam insulation used to prevent heat loss.
- Non-welding technology for inner tank side cover.
- Electric heater used to help heat water in cloudy or rainy days.
- One time investment, no running cost
- Works even in cloudy days
- No need of electricity and gas
- Environment friendly