Used for two weeks then removed it to remodel that bathroom. The Gold Standard of shower filters with new and improved construction for easier installation! In order for a well water shower filter to be effective it must contain KDF55. It is the ONLY thing that will work with well water. The twin actions of the Sante "ULTIMATE" DUAL KDF55 SHOWER FILTER FOR WELL WATER will remove and eliminate: chlorine, iron, heavy metals, bacteria and chemicals with the dual action of two filter cartridges to keep these chemicals and additives from harming your skin, your hair color or your health! Our KDF shower water filters stop hair color fade, and end orange, red and green hair for good. Made for well or city water. Our well water shower filters remove harmful chemicals that not ruin your hair & hair color, but also are harmful to your body. The ULTIMATE Dual KDF Shower Filter will improve dry, itchy skin. In addition to removing chlorine, iron and heavy metals this shower filter also removes odors, organic waste, trihalomethanes, bacteria, and common carcinogens such as carbon tetrachloride, chloroform, benzene and vinylidene chloride. Doctor Recommended for skin, hair and health Stops irritating skin itching from dry skin End orange hair Heavy Metals are considered a leading cause of thinning hair and hair. Filter size-12" long 4" in diameter Works with Standard Fixed Shower Heads