Bettertap™Independently Tested. Rigorously Certified.
Certification & Conformity
Better Tap is tested and certified by NSF International to NSF/ANSI 42, 53, 401 and 55 Class B for the reduction of the substances below — independently verified, not just claimed.
Chlorine, taste & odor, and particulates larger than 0.5 micron (Class I).
Lead, mercury, asbestos, pesticides (Atrazine) and parasitic cysts.
Pharmaceuticals, hormones, environmental pollutants and microplastics.
UV-C microbiological treatment at the moment you pour — no chemicals added.
Certified reduction — full list
Every substance Better Tap's MAZE multi-stage filtration and UV-C stage is certified to reduce, grouped by treatment category and the NSF/ANSI standard it is tested under.
| Treatment category | Substances reduced | Standard |
|---|---|---|
| Aesthetic impurities | Chlorine · Particles larger than 0.5 micron (Class I) | NSF/ANSI 42 |
| Microbiological — treatment | Microbiological treatment (UV-C system) | NSF 55 Class B |
| Microbiological — parasites | Cysts | NSF/ANSI 53 |
| Harmful contaminants | Asbestos · Pesticides (Atrazine) · Heavy metals — Lead, Mercury | NSF/ANSI 53 |
| Incidental / emerging pharmaceuticals, hormones & environmental pollutants | Environmental — Bisphenol A, Nonylphenol, Linuron, TCEP, DEET, TCPP, Metolachlor · Hormones — Estrone · Drugs — Naproxen, Atenolol, Carbamazepine, Trimethoprim, Phenytoin, Ibuprofen · Microplastics | NSF/ANSI 401 |
Tested and certified by NSF International to NSF/ANSI 42, 53, 401 and 55 Class B for the reduction of the substances listed above. Quantitative percentage-reduction figures for each parameter are recorded in the official certification report (available to download below). Recommended filter replacement: every 6 months. This certification describes the Better Tap Edge (model WDC-E-032) for the U.S. market.