Description:Did you know your body absorbs more chlorine through the skin and lungs while showering than while drinking tap water? Chlorine strips protein from your skin and hair, leaving it dry and itchy. Get relief with an Enviro Products Shower Filter! -- The Enviro Shower Filters contain 16oz of bacteriostatic KDF-55 and 2oz of crystal quartz. Together, they remove chlorine and hydrogen sulfide, reduce heavy metals and naturally soften the water. Each filter system comes with an optional Aroma-Therapy diffuser ring. The diffuser ring will hold an aroma chosen by you, the heat and steam from the shower water will warm the aroma (oils). They fit all showers; simply screw on between the water pipe and your favorite shower head.