Heaven Fresh Aroma Luxury Fixed Showerhead HF 501 with Vitamic C and Negative Ions Removes 98% chlorine from tap water. Adds over 400,000 negative ions per cm. Adds Vitamin C equivalent to 3,000 lemons . Comes with aroma-vita gel filter that lasts up to 10,000 litres. Provides optimized water pressure about 1.5 times more than regular showerheads