Manual water purifier RL-W20, hand pressure pump is integrated, conforming to the ergonomics design, and saving energy. It is more reliable to use in remote areas, fieldwork and outdoor emergency for clean water requirement. Runlucky manual water purifier adopts high-precision and long-acting PP cotton and ultrafiltration device. Large flow design can save time. Ready to use to make water more fresh. Runlucky manual water purifier is thinking about what you think, worrying about what you are urgent, and protecting your water health.