Tap Water Filter Purification Function: 1.Water Filter Tap Filter Out Fine Particles, Sediment, Rust, Algae, Bloodworms, Parasites, Suspended Pollutants, Etc. In The Water 2.Filter Out Residual Chlorine and Disinfection By-products In Tap Water 3.Filter Out Heavy Metals and Retain Minerals 4.Filter Out Most Bacteria Increase The PH Value of Water To Produce Weak Alkaline Healthy WaterInc 5.The Life of A Filter Element Is Up To 3000 Liters, and It Can Be Used for 4 Months Without Changing The Filter Element 6.The Tap Water Filter Uses The Third-generation Ceramic Filter Element, Which Will Not Change The Taste of The Water, But Will Change The Quality of The Water. After Filtration, The Water Quality Becomes Better Without Impurities.