Waters Therapy Shower Single Cartridge Set with Inline Spa Showerhead and 1 Aromatherapy Water Softener Filter Cartridge, Lavender Filter effectively removes chlorine odor, sediments and softens water Vitamin c collagen and aromatherapy, negative ions released Chlorine-free shower leaves you with softer, sleeker hair and smoother skin Easy to install no tools required Cartridge lifespan is 3 months and easily replaceable