... collector 3)well-structured,reasonable designed High efficiency solar swimming pool heaters Features:1. Special design for oversea market ... and can bear high pressure without leakage.2. Fiber glass insulation and EPDM seal strip to assure the ... .Can be used in projects,such school, factory, swimming pool,etc.Product DescriptionUnitProduct SpecificationsModel Collector JBProduct Sizemm2,000×1, ...