... T2; Φ8*0.6; 8pcs,5. Glass cover :low iron fabric tempered glass/ 3.2mm, Transmittance≥91.7% 6. Frame:aluminum ... a low profile, making it visually less obtrusive and compatible with existing architectural designs.ApplicationThe water heating systems for commercial, buildings ... ,South America ,Eastern Europe ,Southeast Asia, Mid East ,Western Europe. 2012 Newest Patented flat panel solar collector system