The H2O-SH-CPG-5 high-tech shower filter uses a 100% proprietary blend of KDF capable of removing up to 99% of the harmful chlorine. The head has five spray settings and comes in three different finishes. The rubber-grip dial is ideal for no-slip rotation. It is designed with self-cleaning outlets that prevent soap scum buildup and clogs. This showerhead system promotes better health, skin and hair. It exceeds NSF Standard 177 for chlorine removal.