American Standard

NSF/ANSISeries standards

NSF/ANSI 42  Improvement in taste and appearance  

  - NSF/ANSI 53  Removal of health pollutants such as lead VOCs

  - NSF/ANSI 58  Reverse osmosis system standard 

  - NSF/ANSI 401  PFAS removal rate>99%

EPAauthentication（FIFRAlaws and regulations）

  Amazon requires water purifiers to provide EPA registration，Ensure material safety and stable performance，The certification is valid for 5 years。  

http://www.allison-tm.com/           

https://gzallison052.gys.cn/               

https://www.chem17.com/st430882/        

http://qx668798chem17.100nets.com.cn/    

https://www.gzsallison.com/               

+V:QX111668798