You deserve healthier water for every aspect of your daily life, not just drinking water. The RCCQ-RS replacement cartridge is designed for the Restore dechlorinating shower filter. Provides a long-lasting solution to problems associated with excessive chlorine exposure. Uses specially-formulated KDF-55 filter media to remove 90% or more of chlorine from shower water. Chlorine is converted into an environmentally safe and harmless soluble chloride when it contacts the KDF-55. You deserve healthier water in every aspect of your daily life, not just the drinking water. The RCCQ-RS replacement cartridge for the Restore dechlorinating shower filter provides a long lasting solution to the problems associated with exposure to excessive amounts of chlorine. Its specially-formulated KDF-55 filter media effectively removes 90% or more of chlorine from shower water. Once in contact with the KDF-55, chlorine in the water converts into an environmentally safe and harmless soluble chloride. The RCCQ-RS installs quickly and easily into the Restore. Additional O-rings Included.