Good information. I have a Pro Pure gravity filter. It holds 2 gallons and sits on my counter by the sink. I have had it for 2-3 years now and it works and filters well. It probably goes through 1-2 gallons per day of use and the filter elements get replaced once a year.

I saw a consumer reports test of gravity filters after I bought this one and Berkey came out on top for filtration and water quality. Next time I will probably get a Berkey unless research shows that there is a better one at the time. Thanks for the article.