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Many of us choose to install a water purifier at home as people are eager to pursue a healthy life nowadays. However, not all water purifiers can effectively remove contaminants from drinking water, so it is recommended to choose a water purifier that is National Sanitation Foundation (NSF)-certified.
NSF provides certification and testing services for water quality and food safety and has been designated by the World Health Organization as a global drinking water safety and filtration cooperation center. NSF provides authoritative certification that is recognised internationally, so water purifiers certified by NSF are trustworthy.
Standard 42: Aesthetic effects - Test the system’s ability to reduce drinking water contaminants that affect taste, odour and clarity
Standard 53: Hygienic quality - Test the ability of system to remove harmful contaminants in drinking water
Standard 55: Ultraviolet microbiological water treatment - Certifies system that uses ultraviolet light to reduce bacteria and other micro-organisms in drinking water
Standard 401: Emerging Contaminants Certification: Tests system’s ability to remove 15 emerging contaminants from drinking water, such as drugs, herbicides, pesticides and other chemical compounds
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