Water quality monitors, effective and intuitive detected water contains impurities it easy to install: Use food grade plastic retractable cover, for a variety of taps. Compact appearance: appearance, small size, does not occupy too much space. Effect is obvious: Use PP cotton filter, high-precision, pore density, uniform, can remove sediment, rust, suspended solids and various impurities, and possibly visual observation through the transparent shell filter effects, on the other filter replacement reminder . And removal easy: simply rotate the filter can be easily replaced.