Question: How do we know our filters do what we claim?
The answer: Independent, 3rd Party Laboratory Testing
We test our products according to the most Rigorous EPA, ANSI & NSF standards for drinking water.
ClearlyFiltered products have been tested by EPA certified laboratories who specialize in water quality analysis. Our filters have been tested to meet or exceed the NSF standards 42 & 53 for drinking water.
ClearlyFiltered Filter Comparison