... 4,Delivery date:7-20 days.Specifications:Solar energy collector:Size: 47mm,1500mm ;58mm/1800mm, tube quantity as ... 25mmbracket: aluminum alloy, thickness: 3.0mmFeature:1.That collector can install anywhere, space is unlimited. on roof, or ... like swimming pool heat system. Heat Pipe Solar Collector Detailed SpecificationItemPartsDescriptionManifold boxManifold Outer Case1001 Aluminum alloy with plastic ...