The KDF shower filter from Berkey is designed to remove up to 95% of chlorine from your shower water, along with hydrogen sulfide, microorganisms, scale, and water-soluble heavy metals such as lead, mercury, and iron. It utilizes KDF 55 granules that kill bacteria and inhibit the growth of algae and fungi. This dual media shower filter also reduces lime scale, mold, and fungi in your shower. With a lifespan of approximately 10,000 gallons or one year, whichever comes first, the KDF shower filter is a durable and reliable option for anyone looking to improve the quality of their shower water. The package comes with a back flush attachment to prevent premature clogging, but it is not recommended to use with a shut-off valve. Improve your shower experience with the KDF shower filter from Berkey.