-Helps purify shower water to be gentler on your hair, skin, and nails -Filtered with a high concentration of 86% KDF-55 (recognized for its water-cleansing properties, AKA clean water’s BFF) that works with Calcium Sulfite to help reduce chlorine & impurities -Doesn’t compromise your shower’s existing water pressure**, so you can still enjoy your washtime ritual -Designed to attach to most standard US ½” (1.27cm) shower pipe threads for use with fixed, rain, and handheld shower heads. For non US customers this may require an adapter.