Some aviation oil filters fall short of efficiency standards, but still protect engines-barely. Understand what yours really does. The post Oil Filter Testing appeared first on KITPLANES.

There are as many reasons to filter your home's water as there are filtration methods. Here's why it matters: The chlorine used in water treatment can affect taste and odor. At elevated levels, it may ...

Add Yahoo as a preferred source to see more of our stories on Google. We ran our tap water through all the top water filters. Here are the best pitchers to clean your drinking supply. If you're ...