If you click on the "About us" link at the bottom of the Waterfiltercomparions site you will find, "The information on waterfiltercomparisons.com has been compiled by Aquasana, Inc." so definitely not unbiased. Best to stick to 3rd party sites.
Daniel C.'s review of Water Filter Comparisons earned 2 Very Helpful votes
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This "water filter comparison" website is misleading. While it does contain some interesting...