This page centralizes the NSF certification documents and performance analysis tables for gravity filters available on our store. It allows you to quickly consult the certificates, test reports and laboratory results associated with the different filtration technologies.
Official NSF certifications
NSF certifications attest that a product has been tested and certified according to recognized standards of quality, safety and performance for drinking water.
Monderma – Imperial Filter
Official NSF/ANSI 42 certification for the reduction of substances affecting the aesthetics of water: chlorine, taste, odor and particles.
Download certificateMonderma – Imperial Filter
Official NSF/ANSI 372 certification relating to lead-free compliance of components in contact with drinking water.
Download certificateMonderma – Black Filters
Official NSF/ANSI 42 certification for Monderma black filters intended for gravity filtration systems.
Download certificateMonderma – Gravity stainless steel system
Official NSF/ANSI 42 certification for the Monderma stainless steel gravity system.
Download certificateBerkey / New Millennium Concepts
Official NSF/ANSI 42 certification available on the NSF.org website for Berkey systems.
View at NSF.orgBerkey / New Millennium Concepts
Official NSF/ANSI 372 certification relating to the lead-free compliance of Berkey systems.
View at NSF.orgPerformance analysis tables
These documents present test results carried out by independent laboratories, notably Envirotek USA, on different families of contaminants: heavy metals, VOCs, pesticides, herbicides, PFAS, pharmaceutical residues and other substances.
Monderma Imperial GF & AMB
Performance analyzes carried out by Envirotek USA on Imperial GF and Imperial AMB filters.
Download the tableColdstream FTO+
Filtration test results for the Coldstream FTO+ filter.
Download the tableColdstream CTO+ Max
Filtration test results for the Coldstream CTO+ Max filter.
Download the tableBlack Berkey
Filtration test results for Black Berkey filter elements.
Download the tableBerkey Phoenix – New Millennium Edition
The documents below consolidate published independent test results for the Berkey Phoenix New Millennium Edition filters.
Chemicals, VOCs, pesticides & metals
Independent testing of chemicals, volatile organic compounds, pesticides and metals.
Download the reportHeavy metals, PFAS & radiological
Testing for heavy metals, VOCs, disinfection by-products, PFAS, radiological and petroleum contaminants.
Download the reportPesticides, herbicides, SVOCs & pharmaceuticals
Tests on pesticides, herbicides, semi-volatile organic compounds, PAHs, PCBs and pharmaceutical residues.
Download the reportPFAS, PFOA & PFOS – 1500 L test
Duration test on 1500 liters measuring the reduction of PFAS, including PFOA and PFOS.
Download the reportHeavy metals & inorganic contaminants
Testing for heavy metals, disinfectants and non-metallic inorganic contaminants.
Download the reportAbout NSF Standards
- NSF/ANSI 42 : standard relating to the reduction of substances affecting the aesthetics of water, such as chlorine, taste, odor and certain particles.
- NSF/ANSI 53 : standard relating to the reduction of certain contaminants which may present a risk to health, according to the certified claims.
- NSF/ANSI 372 : standard relating to lead-free compliance of components in contact with drinking water.
NSF certifications are issued by NSF International, an independent American organization specializing in health safety standards, particularly for equipment in contact with drinking water.