Material: Polyester fiber, PP and PC cotton, safe and non-toxic Function: Effectively removes impurities in water and rejuvenates the body, removes chlorine, heavy metals (lead, mercury, nickel, chromium), dramatically improves the condition of skin, hair and nails Easy to install: the universal connector can be used in the shower without any tools; the filter contains a filter element, easy to assemble and replace. Note: The filter cannot be directly connected to the water heater for a long time, and it cannot be directly connected to the outlet port of water that cannot be closed for a long time. The filter element should be replaced regularly within 3-6 months. Quantity delivered: 3 (filter + 2 filter elements)