... well-structured,reasonable designed High efficiency solar swimming pool heaters Features:1. Special design for ... used in projects,such school, factory, swimming pool,etc.Product DescriptionUnitProduct SpecificationsModel Collector JBProduct Sizemm2 ... (China)Collector PanelsMaterial0.25mm Aluminum, Copper TP2 Φ10, thickness: 0.5mm*8pcsTechnicsLaser WeldingTest Pressure 08MpaEndothermic BodyCoatingBlack ...