The Austin Springs Premium Shower Filter actively reduces chlorine concentrations in shower water by more than 90 while simultaneously enhancing the waters pH to make your showering experience much more enjoyable with a proprietary zinc and copper filtration media, This unit also features an additional level of carbon filtration that helps to reduce levels of unwanted synthetic chemicals i, e, VOCss in your shower water, Easily replaceable, the Austin Springs Premium Shower Filter has an approximate 6 month shelf life, Filtered water allows health and beauty products to perform as their manufacturers intended, Easier breathing for those with sensitive lungs, respiratory problems, etc, Hair colorants tend to last longer, Reduction in unpleasant smells while showering, Inexpensive and easy-to-replace filter cartridges that cost less than 10 per month based on 6 month filter lifespan, SKU: ATNSP010