●Function Upgrades - 360-Degree rotation adjustment, pressure and water saving, all aspects of perfect cleaning. ●Double Filtration - Calcium sulfite balls and nano-level PP cotton are suitable for purifying hard water and well water. Remove water chlorine, heavy metals, and other impurities in the water, the water is sweeter and safer. ●Replaceable Cartridge - Included 3 cartridges, it is recommended to use a 2-3 months cartridge discoloration replacement cartridge, simple operation. ●Visual Design - Transparent design, easy to observe the use of the cartridge, beautiful appearance. ●Package Content - Water filter tap x1 gasket x2 conversion thread x1 universal connector x1 cartridge x3.