NSF 58 filters for total dissolved solids
NSF, WQA, or IAPMO listing to NSF/ANSI 58 for Total Dissolved Solids. Certified is a listing, not a ranking.
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| Product | Certifier | Checked | From |
|---|---|---|---|
| APEC ROES-50 Essence 5-Stage Reverse Osmosis | WQA | not yet | |
| APEC Ultimate RO-90 5-Stage Reverse Osmosis System (90 GPD) | WQA | 2026-09-14 | |
| Aquasana OptimH2O Reverse Osmosis + Claryum | NSF | not yet | |
| Aquasana OptimH2O Reverse Osmosis + Claryum | WQA | 2026-09-14 | |
| AquaTru Classic Countertop Reverse Osmosis Purifier | IAPMO | not yet | |
| Bluevua RO100ROPOT Countertop Reverse Osmosis System | WQA | 2026-09-14 | |
| Brondell Circle RC100 Reverse Osmosis System | WQA | not yet | |
| Express Water RO5DX 5-Stage Reverse Osmosis System (50 GPD) | NSF | 2026-09-14 | |
| iSpring RCC7AK 6-Stage Alkaline Reverse Osmosis | NSF | not yet | |
| Waterdrop G3P600 Tankless Reverse Osmosis System (600 GPD) | IAPMO | not yet | |
| Waterdrop G3P800 Tankless Reverse Osmosis with UV | NSF | not yet |