You will need to compare each manufacturer’s Performance Data Sheet which summarizes the results of an independent laboratory to NSF standards. The laboratory should be NSF, WQA, IAPMO, UL or CSA Group since states that regulate water purifiers accept testing reports from these five ANSI-accredited laboratories in accordance with NSF testing standards. The laboratory name should be on the Performance Data Sheet. Below you will find the Performance Data Sheets for our Carafe, Classic, and Under Sink models.
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