In a point-of-use reverse-osmosis water filtration system, a simple tap is installed at the sink.
In a point-of-use reverse-osmosis water filtration system, a simple tap is installed at the sink.

Do your clients trust their drinking water? If they're like a lot of Americans — who spend an estimated $10 billion a year on bottled water — they don't. And their concerns may be justified: According to a recent study by the Environmental Working Group (www.ewg.org), many dangerous contaminants from a wide range of sources can be found in tap water around the country.

So it's not particularly surprising that point-of-use (POU) water-filtration systems — which supply pure drinking water right at the kitchen sink — are becoming more popular. These systems provide water comparable in quality to bottled water, and they do it economically.

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