Get help | Is ShowerPro Diamond independently tested?

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The filtration technology inside the TAPP ShowerPro Diamond is the only filtration technology for showers that has been independently tested.

ShowerPro Diamond (previously TAPP 1s) has been tested and certified to remove more than 70 contaminants from tap water.

The products have been tested for compliance in accordance with the following NSF
standards: NSF/ANSI 177 Shower Filtration Systems - Aesthetic Effects

You can download our certifcation document here.

You can see more details here: http://www.kdfft.com/products.htm