By eHow Home & Garden Editor
Rate: (2 Ratings)
Reverse-osmosis filters are the newest type of water filters on the market offering the highest level of protection. However, for most people either an under-the-sink or countertop model provides sufficient filtration. Reverse-osmosis filters should be used if your kitchen is too cramped for another kind of filter, or if there is simply too much contamination.
eHow Home & Garden Editor