Water Filter vs. Water Purifier
The term water filter is universally used to describe many water filtration devices including the Berkey systems. While the term can be an accurate description, the meaning when talking about water treatment standards is different. So, What is the difference between a water filter and a water purifier?
Water filters are meant to filter out waterborne protazoa and bacteria, but not viruses. Water purifiers filter out protazoa, bacteria and viruses.
Let's take a look at the two standards when classifying water treatment devices:
In order to be in this classification the following standard must be met:
|Pathogenic Bacteria||Klebsiella Terrigena||>99.9999% (Log 6)|
|Virus||Polio and Rota||>99.99% (Log 4)|
All Berkey systems contain the Black Berkey Filters and meet the Water purifier standard. In fact, Berkey Purifiers far surpass this standard and actually remove 99.9999999% known as a log 9 reduction, when dealing with pathogenic bacteria. This distinction is what makes Berkey the only certifiable gravity flow water purification system.
This classification must meet the following standard:
|Pathogenic Bacteria||Klebsiella Terrigena||>99% (Log 4)|
Please take a look at the following chart which includes a head to head comparison with our competition and see for yourself which classification they claim. Take note that some use harsh chemicals, like iodine or chlorinating tablets, in order to reach the level of purification. We do not have to use chemicals in our unique ionic adsorption process mated with simple microfiltration. In short, these two methods create a pore structure so minute that contaminants are removed from the water because they simply cannot pass through the charged filtering media.
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