Does A.O. Smith remove fluoride?

Yes

1 A.O. Smith model we track is independently certified to remove fluoride — a reverse-osmosis filter.

Based on the itemized NSF, WQA & IAPMO certified-model listings we track for A.O. Smith (2 of 7 models) — coverage for this brand is partial, so we only state what is confirmed certified, not what isn’t.

Which A.O. Smith models are certified

Certification is per model — make sure the product you buy is one of these specific certified models, not just the same brand.

Certified model	Type
A.O. Smith AORO-50	reverse-osmosis	Buy on Amazon →

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About fluoride

Added for dental health at ~0.7 mg/L; EPA MCL 4 mg/L. Excess causes dental/skeletal fluorosis. Can be naturally high in some groundwater.

What A.O. Smith filters are certified to remove

Across the A.O. Smith models we track, here’s what their certifications actually cover.

✓ lead ✓ fluoride ✓ arsenic ✓ chromium-6 ✓ copper ✓ nitrate ✓ TDS (total dissolved solids)

See every filter certified for fluoride — all brands, ranked.

Certified for fluoride →

Other brands & fluoride

PUR No Brita Yes Waterdrop No APEC Yes iSpring Yes Doulton No Multipure No eSpring No Pentair Yes 3M Yes Express Water No Bluevua No Samsung No LG No Whirlpool No Frigidaire No GE Yes everydrop No

How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific A.O. Smith model is listed as certified for fluoride. See our methodology.