Berkey Authentic Black Berkey Purification Elements - Berkey Water Purifier Replacement Filters (Pack of 4)

This pack includes four Black Berkey Purification Elements for Berkey water filtration systems, designed to purify water by addressing over 200 contaminants.

• The description claims the elements last for up to 12,000 gallons before needing replacement.
• The description claims Berkey systems equipped with Black Berkey Purification Elements purify water by addressing over 200+ contaminants.
• The description claims independent third-party labs test the elements for a broad range of potential contaminants.