The Pure Pro Shower Filter removes up to 95% of the free chlorine that comes into contact with your skin while showering and up to 98% of heavy metals. It has a unique ring to select the installation date, so you know when the part needs to be changed. The filter uses a proprietary, patented filtration method called KDF. This golden sand is made of high purity material, copper and zinc alloys which works on the basis of the well-known Redox process of electron exchange (electrolysis), effectively removes chlorine, heavy metals such as lead, cadmium, mercury at a rate of 98% and others pollutants including iron and toxic substances responsible for hair loss. It has antibacterial carbon that prevents the growth of bacteria. With a 10-minute shower, our body absorbs up to 20 times more chlorine through the skin than in the water we drink every day, the body's pores open up, allowing chlorine, chemical compounds, etc. to penetrate. Scientific studies conclude that a hot shower is a health hazard as the chlorine vaporizes and creates chloroform gas which is thought to be a contributing cause of asthma and other respiratory problems when the lungs inhale it. Some of the effects of chlorine while showering Increases the chances of various types of cancer Causes itchiness and dries the skin Disrupts the natural balance and makes your hair dry, without shine Increases the effects of aging (wrinkles, etc.) Advantages of the filter! Reduces the chances of cancer Maintains the shine of dyed hair Stops dry skin Puts an end to irritation and redness Reduces hair loss Removes wrinkles and rejuvenates the skin Lifespan from 6 to 12 months or 31000 liters! Easily connects to any type of battery in just 1 minute!!!