Comment Comment by harrydehal You can search the NSF.org certifications here, specifically NSF/ANSI 53 and NSF/ANSI 58:https://info.nsf.org/Certified/DWTU/Listings.asp?ProductFunc...https://www.nsf.org/news/pfoa-pfos-reduction-claims-requirem...P.S. Note the "facility" where these products are manufactured are also listed. One might also want to note that [replacement] filters may also have different country origins. parent harrydehal 3 years ago
https://info.nsf.org/Certified/DWTU/Listings.asp?ProductFunc...
https://www.nsf.org/news/pfoa-pfos-reduction-claims-requirem...
P.S. Note the "facility" where these products are manufactured are also listed. One might also want to note that [replacement] filters may also have different country origins.