Cameo-RS Dechlorinating Shower Filter System New 3-stage design features a sediment filter, virgin crystal Quartz and 14.5 oz of KDF-55 Installs in minutes - no special tools or professional help required Sediment pre-filter element further enhances cartridge performance by reducing dirt, rust and scale Once in contact with the KDF-55, chlorine in the water converts into an environmentally safe and harmless soluble chloride. Fits most residential showers and baths