This series is idea choice for general washing pure water. It's output ranges from 45 to 500 liter of water an hour. It has automatic microcomputer controlling system, real-time animation mode display. Pipeline and fast-plug adapter with NSF authorization, assure high-quality ultrapure water. - Human engineering design, high-strength, streamline plastic shell. - One time injection molding process case, material: Polypropylene PP. - Elegant and compact case, integrating pre-filter, RO, DI, UV, UF and terminal filter into one. - All filters are built-in, for the smallest outside space.