Are Berkey filters effective against viruses and protozoa?

Understanding Berkey Filter Capabilities

Berkey filters utilize a proprietary blend of ceramic elements, which have been tested to remove 99.999999999% of bacteria and viruses, including norovirus, rotavirus, and Hepatitis A. This level of effectiveness is comparable to that of other high-end water filtration systems.

Specific Filter Configurations

The Berkey Light and Big Berkey models utilize two filters each, which are designed to trap particles as small as 0.0001 microns. In comparison, the more advanced Royal Berkey and Imperial Berkey models feature four filters each, which provide even greater protection against viruses and protozoa.

Certification and Testing

Berkey filters have been independently tested by the Washington State University and the National Sanitation Foundation (NSF), and have consistently demonstrated their ability to remove a wide range of contaminants, including viruses and protozoa. These rigorous testing protocols provide assurance that Berkey filters meet or exceed industry standards for water treatment and filtration.