Does 3M remove chromium-6?
Yes
2 3M models we track are independently certified to remove chromium-6 — a reverse-osmosis filter.
Based on the itemized NSF, WQA & IAPMO certified-model listings we track for 3M (19 of 20 models).
Which 3M 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 | |
|---|---|---|
| 3M 3MRO301 | reverse-osmosis | Buy on Amazon → |
| 3M 3MRO401 | reverse-osmosis | Buy on Amazon → |
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About chromium-6
'Erin Brockovich' chemical. Carcinogenic when ingested. No federal MCL specific to Cr6 (regulated under total chromium); CA has a 10 ppb limit.
What 3M filters are certified to remove
Across the 3M models we track, here’s what their certifications actually cover.
See every filter certified for chromium-6 — all brands, ranked.
Certified for chromium-6 → Other brands & chromium-6
How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific 3M model is listed as certified for chromium-6. See our methodology.