<ul><li>Combo Pack contains two Black Berkey Purification Elements and two Berkey Fluoride Filters</li><li>Black Berkey Elements remove 99.999% of viruses, 99.9999% of pathogenic bacteria, chlorine, volatile organic compounds including pesticides and herbicides, and 95% of most heavy metals.</li><li>Lifespan for Black Berkey Elements - 6,000 gallons for set of 2</li><li>Lifespan for Fluoride Filters: 1,000 gallons or 1 year</li><li>Fluoride filters remove 95% of fluoride. Also reduces levels of Arsenic III and V, MTBEs, and other heavy metal ions</li></ul><br><br>Berkey Authentic Black Berkey Purification Elements With Berkey PF-2 Fluoride and Arsenic Reduction Elements - Combo Pack

Set of 2 Berkey Authentic Black Berkey Elements (BB9-2) and 2 Berkey PF-2 Fluoride and Arsenic Reduction Elements - Combo Pack