What It Is:A filter to create pure water for beautiful hair. Goodbye dry, damaged hair-hello soft, touchable tresses. Washing your hair is the first step in your hair care routine. Regular household water often contains such a high level of chlorine that it damages the appearance and health of hair. Washing your hair frequently increases your exposure to chlorine. What It Does:The T3 Source Collection: - Is clinically proven to make your hair more beautiful- Enhances the vibrancy and retention of hair color- Makes skin noticeably softer and smootherBeauty Everlasting:To ensure your filtration unit is operating at peak performance, replace the filter every 5,000 gallons (4-5 months) or when the color indicator turns black. Reverse the filter monthly for best results.Note: This is the filter only. T3 Hand-Held is not included.Clinical Results:The Science of Fabulous:Through a chemical filtration process known as "Redox," the T3 Source Shower Filter transforms chlorine into harmless elements that are too large to be absorbed by hair and skin. In fact, patented technology effectively removes more chlorine over a broader temperature range than other similar filters, resulting in:- 64% reduction in frizz- 28% increase in body- 47% increase in comb-ability- 28% increase in shine