Water Filter Knowledge

How to verify the authenticity of NSF water filtration product certification?

Water purifier manufacturers often highlight their products by claiming that their water purifiers, filter cartridges, or parts are NSF-certified. This association with NSF, which many are familiar with, involves significant costs — around $30,000 to $80,000 for initial product certification, plus an annual fee of over $6,000 per product to the NSF Foundation. It’s no […]

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Why do water purifiers need to apply for NSF certification?

Q: Why do water purification devices need to apply for NSF certification? A: NSF is an internationally recognised and representative testing organisation in the field of drinking water. Water purifiers that obtain NSF international certification must not only pass tests for removing contaminants but also fully meet the following six conditions: List of NSF Standards:

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