Black Berkey filters come standard on Berkey purification systems, the market leader in gravity-fed water purifiers. Each element is designed to purify approximately 11,300 liters of water before needing to be replaced. A pair of these elements in a Berkey water purifier will purify approximately 22,600 liters of water before replacement is recommended. Black Berkey purification elements are sold in sets of two and can be used to upgrade most gravity-fed water filtration systems. They are cleanable and self-sterilizing. They come with a 2-year commensurate warranty.
Also find installation and operating instructions for Black Berkey purification elements and a video explaining how to prime Black Berkey water filters. To facilitate the priming of Black Berkey filters, Berkey has created a priming pump. See detailed information about the Black Berkey Primer pump.