This product does not require electricity, is lightweight and portable, and is suitable for daily water use by coastal areas and island residents, emergency drinking water supply for sea tourism and offshore workers. It is also widely used for outdoor exploration, wilderness survival, earthquake, flood and other disaster rescue and national defense preparedness scenarios. It is a highly reliable life support equipment recommended for procurement by the government's emergency system, truly achieving the goal of "drinking water when you have it, and cleaning it when you go".