solar collector 1.size:58/1800,47/1500 2.capacity:100-20000L ... .CE,ISO9001,CCC,certificates 4.for hotels,schools, offer OEM project solar collector size: 47mm,1500mm,/58mm,1800mm, tube quantity according the ... , thickness: 3.0mm or stainless steel bracket.feature: 1.that collector can install anywhere, space is unlimited. on roof, or yard ...