The quality of tap water can vary widely depending on where you live. While filtration is the primary purpose of most tap water filters, there are some that go beyond this basic task. For those looking for the best tap water filter that provides additional benefits, there are options available that not only purify your water but also alkalize it or add essential minerals. These filters can improve the taste of your water and provide some health benefits as well. There are many different brands and types of filters on the market, so it's important to do your research and find the one that's perfect for your needs.