For all laboratory test results for the Berkey water filter: click here. You will be redirected to the manufacturer’s knowledge base, where all the results are listed on a single page. These are the results of all the tests carried out using the Black Berkey filter cartridges, which are the filter cartridges for the Berkey water filter.
This page also includes the test report for the Berkey Fluoride & Arsenic (PF-2) filter cartridges.