NSF International, formerly known as the National Sanitation Foundation, is an international organization that tests and validates water treatment equipment, food preparation equipment and utensils. NSF is a private, not-for-profit organization that provides programs and services related to public health and safety and environmental quality. It is an independent, third-party organization that is not related to the water quality improvement industry. Select Kinetico products have been tested and validated by NSF for the following: