Test Results

Doulton™ Filter Test Results

Doulton 'Berkefeld' Chlorine Removal Efficiency

Doulton 'Berkefeld' E-Coli Test 

Doulton 'Berkefeld' Klebsiella Test

Doulton Vegan Certificate

Berkey™ Filter Test Results

Black Berkey Chemical Reduction Test

Black Berkey Inorganic Testing

Black Berkey Organic Testing

Black Berkey Microbiological Test

PF-2/PF-4 Fluoride Reduction Media Information

Arsenic Removal Grade of PF-2/PF-4 Elements