As we continue this series How to Select a Water Filter, we've already dealt with sediment filters and will now delve into the taste & odor category. So, what do we mean by a taste & odor (hereafter T & O) filter? If you slot your water issue into the T & O category this means you are not worried about "high level" contaminants like heavy metals, and VOC's etc... Aquasana Water Filter (high level contaminants will be covered when we are done with the T & O category). In a nutshell, you simply want your water to taste and smell better. Not many people consider purchasing a shower water filter for their bathroom. However, they also do not know about the dangerous chemicals that are in tap water. Even if they do, they may just defend their body from the substances by purchasing a water filter to clean the water they drink.