Contaminant · Fluoride
What water filters remove fluoride
Fluoride
The short answer
Fluoride reduction is certified under NSF/ANSI 58, NSF/ANSI 53 and NSF/ANSI 62. The federal MCL is 4 mg/L.
Of the 2 systems in our database that advertise fluoride reduction, 2 hold a matching third-party listing.
- NSF/ANSI 582 of the 2 certified systems we hold carry this claim under NSF/ANSI 58.
- NSF/ANSI 53NSF/ANSI 53 permits this claim, but no system we hold carries it under that standard.
- NSF/ANSI 62NSF/ANSI 62 permits this claim, but no system we hold carries it under that standard.
Regulatory status · United States
- Current federal limit
- 4 mg/L
- Fluoride. Milligrams per litre.
- Status
- ✓In force
- Pending change
- None recorded.
Settled. We re-check the federal register entry quarterly and stamp this panel with the date of the last check.
Certified to reduce Fluoride
2 systemsEvery row below has a matching listing in a certifier database, checked on 20 Sep 2026. Sorted by FilterSpecs score.
| System | Score | Reduction | Standard | Price |
|---|---|---|---|---|
| APEC ULTIMATE RO-90 5-Stage Reverse Osmosis System | 6.2 | Not published | NSF/ANSI 58 | $232.99 |
| GE Appliances GXRV40TBN Reverse Osmosis Drinking Water System | 5.9 | Not published | NSF/ANSI 58 | $259.99 |
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Reduction figures are the certified performance in the listing, not manufacturer marketing. See methodology.