Lab Tests On Berkey Water Filter Products

Cyanobacteria Test Results

2019 Cyanobacteria Lab Test Results


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Radiation Test Results

2016 Radiation Lab Test Results

Virus Removal

FAQ's about the Black Berkey Filter and Virus Removal


Envirotek Lab Test

2014 Lab Test Results from Envirotek Laboratories Inc., New Jersey


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LA County Lab Test

Latest test results by the Environmental Toxicology Laboratory of Los Angeles.


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Lead Reduction Lab Test Results

Lead Reduction Lab Test Results

Perfluorinated Chemicals

Perfluorinated Chemicals Reduction Lab Test Results

ASI Lab Test

Microbiological Challenge Study by Analytical Services Inc. (ASI).

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