solar water heater system, size,58/1800,47/1500, have CE,ISO9001,CCC,certificates, can install anywhere, offer OEM solar energy collector:size: 47mm ... : 25mmbracket: aluminum alloy, thickness: 3.0mmfeature: 1.that collector can install anywhere, space is unlimited. on roof, or ... a full system completely autumatic, you can uae hot water anytime, high efficient,and no-pollution.3. installation: ...