... ,CCC, 3.reliable quality,offer OEM flat solar system(for a project) 2. Specification: 1×2 m², the water can ... 3. Definitely safe and clean, no pollution, no poison, no electric shock, no blasting etc.4. Free of charge in using ... even the cold winter.8. The preserved water tank has a water-storage function, using when there is no water ... water drink, wash dishes etc, to save much more electric and fuel.