... OEM professional capacity 80-300L Compact non-pressurized all stainless solar geyser 1. Inner tank: 0.4mm food grade stainless steel ... support......3. Various certificates: ISO, EN12975, EU CE, Solar Keymark, Kang-Ju, KOLAS, SABS, SRCC4. Strong warranty: In order to keep long ... relationships, our company have strict quality control and aftersale service. Solar geyser all stainless non pressurized