Testing and Certifications
Certified standards.
Independently tested
performance.
The Clearsource Whole Home Water Filtration System uses filters certified to NSF/ANSI 42 & 61 standards by IAPMO R&T, with additional contaminant reduction verified through independent laboratory testing.
Protection you can put a number on.
The Clearsource VirusGuard® Ultra-D™ filter has undergone controlled independent laboratory testing documenting greater than 99.99% reduction of viruses and bacteria and greater than 99.95% reduction of cysts. When you're choosing filtration for your entire home, ask what's been tested—not just what's being promised.
- Bacteria
- >99.99%
- E. coli, Legionella and Pseudomonas
- Viruses
- >99.99%
- Rotavirus, norovirus, hepatitis A
- Cysts
- >99.95%
- Giardia and Cryptosporidium
Two types of proof.
One standard.
Certification
NSF/ANSI 42 & 61
The VirusGuard® Ultra-D™ filter used in the Clearsource whole home water filtration system is certified to NSF/ANSI 42 and 61 standards by IAPMO R&T.
- NSF/ANSI 42 addresses drinking water treatment units designed for aesthetic effects, with product-specific claims.
- NSF/ANSI 61 addresses health-effects requirements for materials and components that contact drinking water.
Performance Testing
Independent laboratory results
Separate controlled independent laboratory testing documented reductions across microorganisms, heavy metals and additional substances.
- Testing performed by a certified U.S. laboratory at pH 6.5.
Independently tested
contaminant reduction
See the independently tested reductions behind the VirusGuard® Ultra-D™ technology protecting water throughout your home.
| Contaminant | Documented reduction |
|---|---|
| Viruses | >99.99% |
| Bacteria | >99.99% |
| Cysts | >99.95% |
| Lead | >95% |
| Arsenic V | >95% |
| Cadmium | >95% |
| Chromium | >85% |
| Ferrous Iron | >80% |
| Selenium | >75% |
| Mercury | >60% |
Better water, backed by clearer proof.
The NSF/ANSI 42 and 61 certification statement applies to our VirusGuard® Ultra-D™ filter as described in the supplier data sheet. The contaminant-reduction percentages come from separate controlled independent laboratory testing.