... iron fabric tempered glass/ 3.2mm, Transmittance≥91.7% 6. Frame:aluminum alloy, 1mm thiness7. Insulation :PEF 30mm ... , prolong life spanIntegrating frame with back board, sealed, reliable, beautiful and applicable Module is designable ,any size collector ... collector has a low profile, making it visually less obtrusive and compatible with existing architectural designs.ApplicationThe water heating ...