The extensive information below is why we chose this wonderful thoughtful brand, not to mention is removes 99% of toxins from your water, has a life span of 3,300 gallons per filter, and is the best gravity filter on the market!
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WALTER houses a single BLACK BERKEY FILTER
"During testing conducted by independent, EPA-approved laboratories, the Black Berkey filtered out a long list of water contaminants with never-before-seen results and significantly raised the standard for the water filter industry. As a result, Black Berkey filters are some of the most efficient filters that are currently available on the market.
When drinking water that’s been filtered using a Berkey Black filter, you can rest assured that your water is clean and safe for consumption. In fact, Black Berkey purifier elements are far more powerful compared to competitors’ water filters. We tested the filters with more than 10,000 times the concentration of harmful pathogens per liter of water than is required by industry-standard test protocols. This concentration of pathogens is so high that the water exiting the filters should be expected to contain a concentration of 100,000 or more pathogens per liter (99.99% reduction — the requirement in order to be classified for pathogenic removal). Incredibly, Berkey water filter elements removed 100% of the pathogens. After using the Black Berkey filters, absolutely no pathogens were found in the effluent or were able to be detected. This set a new standard, allowing us to classify all systems containing the Black Berkey filters as purifiers. The revolutionary Berkey purifier elements are so powerful that they can remove food coloring from water without removing any of the beneficial minerals your body needs.
The Black Berkey filter element had extensive testing at state- and EPA-accredited laboratories and far exceed EPA and ANSI/NSF (Std. 53) protocol. The Black Berkey filters have been tested by the University of Phoenix, Spectrum Labs, and the Department of Toxicology and Environmental Science at Louisiana University.
Because the versatile Black Berkey filters fit most other manufacturers’ gravity water filters, off-brand gravity filtration systems can be upgraded to a purifier with little effort. This high-quality replacement filter vastly improves other brands’ housings’ ability to remove unwanted water contaminants.
Each Berkey filter element is designed to purify approximately 3,000 gallons: This is possible because of the Black Berkey filter elements’ unique ability to be cleaned up to 100 times using a 3M Scotch-Brite pad"
The above container (WALTER) is not covered under the NMCL manufacturer’s warranty; only the Black Berkey Purification Elements are covered under the NMCL manufacturer’s warranty.