Performance Results
Our 5-stage filters underwent rigorous testing, demonstrating significant reductions in the forever chemicals PFOA and PFOS, lead, chromium, and mercury. Our advanced 5-stage filtration system consistenly surpasses industry benchmarks and establishes a new standard for water quality.
IAPMO Independently Certified
Culligan ZeroWater’s 5 Stage Ion Exchange Filter is IAPMO certified to reduce PFOA/PFOS, lead, chlorine, chromium and mercury.
Testing Methodology
Water samples were prepared with inorganic non-metal and metal concentrations in accordance with NSF/ANSI standards. For inorganic non-metals and metals tested outside of the NSF/ANSI standard, a concentration of 10 times the EPA’s drinking water limit was used for each compound. The water was then passed through each filter, side by side, at a rate of 1 liter every 90 minutes. After the prepared water was exhausted, a water sample was taken and analyzed to produce the results listed below.
ZeroWater removes the following metals
| ZeroWater 75 Litres | ZeroWater 150 Litres | Competitor 75 Litres | Competitor 150 Litres | |
|---|---|---|---|---|
| Chrome 3 | 98.0% | 94.0% | 91.5% | 86.6% |
| Chrome 6 | 99.0% | 99.0% | 33.1% | 28.1% |
| lead | 99.0% | 99.0% | 85.7% | 80.2% |
| antimony | 99.0% | 96.0% | 55.9% | 2.9% |
| arsenic (+3) | 98.0% | 85.0% | 19.0% | 10.0% |
| arsenic (+5) | 98.0% | 93.0% | 67.0% | 32.1% |
| barium | 99.9% | 99.9% | 88.7% | 88.5% |
| beryllium | 97.0% | 97.0% | 78.7% | 46.4% |
| cadmium | 97.0% | 97.0% | 85.4% | 82.2% |
| copper | 99.9% | 99.9% | 76.8% | 69.1% |
| iron | 99.9% | 99.9% | 96.8% | 90.1% |
| manganese | 99.0% | 99.0% | 96.1% | 95.2% |
| mercury | 92.0% | 91.0% | 61.9% | 39.3% |
| selenium | 99.0% | 98.0% | 22.2% | 16.1% |
| silver | 99.9% | 96.0% | 15.0% | -2.1% |
| thallium | 99.0% | 98.0% | 56.5% | 20.0% |
| zinc | 99.9% | 99.9% | 88.4% | 85.4% |
Removes the following non-metals
| ZeroWater 75 Litres | ZeroWater 150 Litres | Competitor 75 Litres | Competitor 150 Litres | |
|---|---|---|---|---|
| chlorine | 99.0% | 99.0% | 89.5% | 72.7% |
| cyanide | 99.9% | 99.0% | 85.5% | 78.2% |
| fluoride | 99.0% | 91.0% | 9.1% | 2.4% |
| asbestos | 99.0% | 98.0% | 92.9% | 58.5% |
| nitrate | 98.0% | 78.0% | 45.4% | 22.0% |
| nitrite | 99.0% | 88.0% | 0.0% | 0.0% |