Detailed explanation of the NSF standard and its impact on Berkey® filters

See our Blog article for a detailed explanation of the NSF standard and what it means for Berkey® filters

Berkey® and the NSF standard

Definitions and standards

  • Definition
  • Standards NSF/ANSI 42 & 53
  • Standard NSF/ANSI 42
  • Standard NSF/ANSI 53
  • What about Berkey® filters?
  • Why this choice?

See the results of the tests carried out on the  Black Berkey® elements
You can also find the analysis results in our dedicated section.