MULTI-STAGE FILTRATION: Beyond the traditional single PP cotton filter element, there are KDF 55, PP cottons, calcium sulfite balls, multiple ion balls, activated carbon for one level higher filtration and purification. SAY NO TO DRY HAIR AND SKIN: The new high quality professional filter can effectively remove chlorine, heavy metals such as lead, mercury, nickel, chromium , bacteria, pesticides and inhibit the growth of tartar, algae, fungi and mold to restore the condition of hair, skin and nails of their essential nutrients. PRESSURE CONSTANT WATER: Our high performance water filter will not reduce the existing water pressure but will improve the flushing effect. Depending on water quality and frequency of use, the shower filter should be replaced after 4-8 months of use or after 10,000-12,000 gallons of water. WIDE COMPATIBILITY : The shower filter has universal 1/2 inch connections that easily and securely connect to a standard fixed, overhead, hand or combo shower head, etc. EASY TO INSTALL: Unscrew and tighten. No complex tools are needed at all: just open the shower filter housing, remove the old and replace the new filter, and make sure the washer is located in the slot at the inside the filter to prevent leaks.