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This Waterdrop RO system is tested and certified by NSF International against NSF/ANSI standard 58 & 372.
Products with NSF certification are considered to have better quality.
94% TDS reduction
Removes lead
Removes chlorine
Removes 94% TDS
Removes chromium
Removes turbidity
Removes carcinogens
Removes heavy metals
Removes inorganic & organic contaminants
This standard includes requirements addressing various aspects of these systems, including: safety of materials in contact with drinking water, structural integrity, TDS (total dissolved solids) reduction performance, efficiency rating, recovery rating, contaminant reduction performance, information for the end user.
SCOPE | Reverse Osmosis Drinking Water Treatment Systems |
CLAIMS | This standard offers various claims. Besides the required TDS (total dissolved solids) reduction, some of the most popular categories include cyst, hexavalent and trivalent chromium, arsenic, nitrate/nitrite, cadmium, lead, VOCs, barium, turbidity, fluoride, copper, and so on. |
TESTING | Material safety, structural integrity and contaminant reduction claims (claims vary by product). |
This standard establishes minimum requirements for systems designed to reduce non-health-related contaminants.
SCOPE | Point-of-use and point-of-entry systems |
CLAIMS | Chlorine, taste and odor, chloramine, particulate, iron, manganese, zinc and total dissolved solids (TDS) |
TESTING | Material safety, structural integrity and specific aesthetic-related contaminant reduction claims (claims vary by product) |
This standard establishes minimum requirements for systems designed to reduce specific health-related contaminants.
SCOPE | Point-of-use and point-of-entry systems |
CLAIMS | This standard offers over 50 contaminant reduction claims. Some of the most popular include: lead, Cryptosporidium, VOCs and chromium. |
TESTING | Material safety, structural integrity and specific health-related contaminant reduction claims (claims vary by product) |
This standard addresses the ability of a water treatment device to remove up to 15 individual contaminants which have been identified in published studies as occurring in drinking water. The contaminants covered in NSF/ANSI 401 have been detected in drinking water supplies at trace levels and can affect some consumersβ perception of drinking water quality.
SCOPE | Point-of-use and point-of-entry systems |
CLAIMS | This standard offers up to 15 specific contaminant reduction claims. Some of the most popular categories include prescription drugs, over-the-counter medications, herbicides, pesticides and chemical compounds. |
TESTING | Material safety, structural integrity and specific emerging compounds/incidental contaminants outlined in the standard. |
A maximum weighted lead content requirement of 0.25 percent (0.2 percent for solders and fluxes) |
A formula for calculating the weighted average lead content of each product prior to testing |
Specific procedures for testing products for lead content |