1.SRCC,Solar Keymark(EN12975),CE,ISO9001,ISO14001certifications 2.7 to 15 days delivery time 3.Three years warranty Key features of the Meida Solar Collector. 1. Internationally certified product (EN12975 KEMARY)2. Copper heat pipes for rapid heat transfer and freeze resistant.3. Reliable, efficient, tri-element evacuated vacuum tubes4. Easy plug-in installation5. Maintenance free6. Suitable for ...