What To Look For In Water Filter Test Results

Testing Water Filter Efficiency Water filtration is a science – an exact, researched method for filtering out minuscule contaminants from drinking water.  The success of this research – and the credibility of Doulton Water Filters – is borne out by stringent, but importantly, lengthy tests that prove that the ceramic candles used in Doulton Water Filters continue to offer absolute filtration day after day, week after...