Does Pentair remove chromium-6?
Yes
7 Pentair 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 Pentair (43 of 45 models).
Which Pentair 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 | |
|---|---|---|
| Pentair GRO-350B | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-475B | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-475BP | reverse-osmosis | Buy on Amazon → |
| Pentair GRO-575B | reverse-osmosis | Buy on Amazon → |
| Pentair OmniFilter RO2050 | reverse-osmosis | Buy on Amazon → |
| Pentair RO-2550 | reverse-osmosis | Buy on Amazon → |
| Pentair Everpure Residential ROM IV | reverse-osmosis | Details → |
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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 Pentair filters are certified to remove
Across the Pentair 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 Pentair model is listed as certified for chromium-6. See our methodology.