Aquasana Water Filters: Aquasana AQ-4125 Replacement Shower Filter

This is the replacement cartridge for the Aquasana AQ-4100 Shower Filter. This 2-Stage shower filter replacement cartridge last 6 months, and comes with easy-to-follow replacement instructions.

Stage One removes chlorine and enhances pH balance with a natural copper/zinc mineral media called KDF-55D.

Stage Two uses a high grade of carbonized coconut shell medium for the removal of volatile and synthetic chemicals, THMs and VOCs that vaporize from tap water and are inhaled or absorbed through the skin, potentially causing adverse health and cosmetic effects.