The NSF standard and Ultra Sterasyl filters
The NSF is an independent, non-profit organisation specialising in the development of standards, inspection, testing and certification of products related to public health and safety.
Good news, Ultra Sterasyl filters are NSF 42, NSF 53 and NSF 372 certified:
NSF / ANSI 42: Reduction of organoleptic contaminants (taste, odour, chlorine, etc.).
NSF / ANSI 53: Reduction of contaminants with health effects (lead, PFAS, Cryptosporidium, etc.).
NSF / ANSI 372: Absence of lead
Find the certification of our filters on the NSF website.