Residential Water Treatment

NSF writes standards and provides testing and certification services for point-of-use (POU) and point-of-entry (POE) drinking water treatment systems and components.  Testing can include material safety, structural integrity and contaminant reduction testing.  We certify thousands of products to various local and global standards, and can help you access the markets such as China, Brazil, Australia, the Middle East, Africa and many others. Get certified by NSF – the most widely recognized and respected certification mark in the drinking water industry.