Material safety

• Materials used in devices are nontoxic for humans.
• Users are protected from direct contact with disinfectants during product assembly, cleaning, maintenance, and disposal.

Key indicators

• Materials in contact with drinking water should comply with FDA regulations governing Food Contact Substances (FCS): Title 21 CFR Parts 174–177.
• Product meets relevant national standards in target markets.

Supporting evidence

• US FDA Title 21 CFR Parts 174 to 177.
• NSF/ANSI Standard 42-2007: Drinking water treatment units—aesthetic effects .
• NSF/ANSI Standard 53-2007: Drinking water treatment units—health effects.
• NSF/ANSI Standard 44-2007: Residential cation exchange water softeners.
• NSF/ANSI Standard 55-2007: Ultraviolet microbiological water treatment systems.
• NSF/ANSI Standard 58-2007: Reverse osmosis drinking water treatment systems.
• NSF/ANSI Standard 62-2004: Drinking water distillation systems.
• Full list of supporting evidence and additional materials.