Carbon Block Technology





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CB Tech’s Multipure Drinking Water Systems Performance Confirmed by NSF Testing and Certification

A leader in the drinking water treatment industry, CB Tech specializes in the production of drinking water treatment devices utilizing its Solid Carbon Block filtering technology.  CB Tech maintains its competitive edge by providing performance, quality and service.

faucet with glass of waterNSF International, The Public Health and Safety Company™, a not-for-profit, non-governmental organization, is the world leader in standards development, product certification, education, and risk-management for public health and safety. For more than 60 years, NSF has been committed to public health, safety, and protection of the environment. While focusing on food, water, indoor air, and the environment, NSF develops national standards, provides learning opportunities through its Center for Public Health Education, and provides third-party conformity assessment services while representing the interests of all stakeholders. The primary stakeholder groups include industry, the regulatory community, and the public at large.

NSF LogoNSF is widely recognized for its scientific and technical expertise in the health and environmental sciences. Its professional staff includes engineers, chemists, toxicologists, and environmental health professionals with broad experience both in public and private organizations.

NSF has earned the Collaborating Center designations by the World Health Organization (WHO) for Food and Water Safety and Indoor Environment.

Serving manufacturers operating in 80 countries, NSF was founded in 1944 and is headquartered in Ann Arbor, MI USA. The NSF Mark is recognized for its value in international trade around the world and is respected by regulatory agencies at the local, state, and federal levels.

In testing drinking water systems, NSF certifies that:

For a system to become NSF certified, it must meet the five basic requirements listed above. Certification also means that systems must continue to meet these requirements, which is why annual unannounced inspections of manufacturing facilities are conducted.

mpThe effectiveness of any drinking water treatment device is measured by the performance of its filter. NSF testing in accordance with NSF/ANSI standards provides the consumer with the highest level of assurance that certified products will perform as claimed. A close review of NSF Listings shows that the Multipure Solid Carbon Block filters are the most effective for reducing a broad spectrum of contaminants of aesthetic as well as health concern.


Click here to view the NSF Product and Service Listings page for NSF/ANSI 53 Health Effects

Multipure Drinking Water Systems Deliver Industry-Leading Performance!
NSF testing and certification provides proof of the product performance claims for Multipure Drinking Water Systems. The following charts and tables are based on the NSF online listing on December 17, 2013.

Click here to view NSF test performance and certification charts

State Registrations of Multipure Drinking Water Systems
The U.S. Environmental Protection Agency neither approves nor endorses home water treatment units.  However, the states may require the registration of drinking water treatment devices for which health effect claims are made.  The states requiring registration of drinking water treatment units rely on the standards set by NSF International to evaluate the performance of the devices they register. Multipure Drinking Water Systems have been listed, certified, and/or registered by the following: