of Upgrading in Nov 25, 20171. Plus a pair of brackets and two types of screws, you can the filter on the wall .2. Use Haycarb carbon, stronger adsorption ability and better taste than before .3. support to chloramine, sulfide. the performance of odors removing.Five-star Safety StandardThis filter without any chemical composition. It 's of Food-grade PP shell, 0.5 um Micro filter membrane, Nanometer KDF and High-density Carbon block. It can remove or reduce a broad variety of organic and inorganic contaminants including but not limited to : chlorine, chloramine, soluble doughy metals, such as as mercury, metal and chromium 6. herbicides, sediment, algae, molds, microbes, benzene, abominable taste, odors, and other undesirable contaminants that may affect the quality of your water supply.High-density Carbon BlockOrdinary farinaceous carbon gaps between the granules, through which some water often flow away, causing devalued filter efficiency. These not lone contaminate the water after entering the water, but also block the cartridge and reduce water pressure when accumulated. Our high-density carbon blockmade from Haycarb carbon powder manufactured with the latest micro-crystal restructuring and high-temperature firing techniques. It has solved the preceding problem effectively, the filter effect and prolongs the service life of the filter.About Service LifeThe entire amount of the water it purifies depends on the pollutants levels from water, if your former filters were often clotted by over-standard Colloids from water within a truncated period of time, please install a sediment water filter -LRB- Polypropylene Cartridge -RRB- in advance of the water supply. This the filter to reach its normal life.Replacement cartridges : http://www.amazon.com/dp/B0748FKGJG .