Black Berkey FiltersBerkey
The Black Berkey purification element formulation has been tested by State and EPA accredited laboratories to exceed NSF/ANSI Standard 53. Includes: Two 9" Black Berkey Purification Elements with 2 washers, 2 wing nuts, and 1 priming button. Installs in the upper chamber of any Berkey system. Elements can also be used to upgrade most other gravity-fed water filter systems. Each Black Berkey element is designed to purify approximately 3,000 gallons of water before needing replacement; 2 elements in a Berkey system will purify approximately 6,000 gallons of water before replacement is recommended.