solar water heater system, size,58/1800,47/1500, have CE,ISO9001,CCC,certificates, can install anywhere, offer OEM solar energy collector:size: 47mm,1500mm,/ ... resistance: 25mmbracket: aluminum alloy, thickness: 3.0mmfeature:1.that collector can install anywhere, space is unlimited. on roof, or yard ... special minds can designed more details pls contact us anytime! solar water heater collector