regular vacuum tube structure: all-glass double-tube co-axial structureglass material: high borosilicate 3.3 glassexternal pipe diameter and
Balcony Hanging Solar Water Heater 1 Inner tank: Stainless steel (SUS304 2B) Thickness: 0.85 0.05mm; 1.2 0.05mm 2 Bracket: Aluminum alloy 3 Outer tank: Col
solar water heater work station Specifications:working station for split solar panel systemAdvantages:Good functionExport Markets:all of the worldStanda