ISO International Standards ensure that products and services are safe, reliable and of good quality. LG Chem’s RO membrane factory 
in Cheongju, Korea, is ISO certified.

NSF International is an organization that provides standards 
for public health and safety. NSF Standard 61 sets criteria for the testing 
and evaluation of products that come into contact with drinking water 
to ensure they do not leach contaminants into the water.