Reddit reviews Berkey Authentic Black Purification Elements - Berkey Water Purifier Replacement Filters (Pack of 2)

POWERFUL PURIFICATION- Berkey systems equipped with Black Berkey Purification Elements reduce up to 99.999% of viruses and 99.9999% of pathogenic bacteria in freshwater sources, while also removing or dramatically reducing protozoa, trihalomethanes, inorganic minerals, heavy metals, pharmaceuticals, pesticides, VOCs, petroleum products, perfluorinated chemicals, rust, silt, sediment and even radiologicals.ECONOMICAL, LONG-LASTING- A pair of Black Berkey Purification Elements lasts for up to 6,000 gallons before needing replacement. Each additional pair of elements (sold separately) adds an additional 6,000 gallons of purification power to your system. Elements not for use with saltwater sources or softened water.INDEPENDENT TESTING- Berkey by NMCL uses several independent third-party labs to test a broad range of potential contaminants, and has conducted Extreme Testing for lead and PFCs in order to show the effectiveness of our Black Berkey Purification Elements.ONLY BUY AUTHENTIC- Accept no substitutes! These are the original factory replacement elements made by the official manufacturer, Berkey by NMCL.AMERICAN PRODUCT- Black Berkey Purification Elements are made and assembled in the USA.