Does Doulton remove lead?
Based on the itemized NSF, WQA & IAPMO certified-model listings we track for Doulton (14 of 14 models).
Which Doulton 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 | |
|---|---|---|
| Doulton Biotect Ultra SI | under-sink | Buy on Amazon → |
| Doulton Biotect Ultra W9123050 | under-sink | Buy on Amazon → |
| Doulton Biotect Ultracarb W9123070 | under-sink | Buy on Amazon → |
| Doulton Ecofast Biotect Ultra Inline | under-sink | Buy on Amazon → |
| Doulton Ecofast Ultracarb Inline | under-sink | Buy on Amazon → |
| Doulton HIP | under-sink | Buy on Amazon → |
| Doulton HIP Biotect Ultra Inline | under-sink | Buy on Amazon → |
| Doulton Kingfisher | under-sink | Buy on Amazon → |
| Doulton QT Ultracarb Inline | under-sink | Buy on Amazon → |
| Doulton QT1 Biotect Ultra Inline | under-sink | Buy on Amazon → |
+ 1 more certified Doulton models.
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About lead
No safe level. Damages developing brain/nervous system in children; linked to lower IQ, kidney and cardiovascular harm in adults. Usually enters water from corroding pipes/solder, not the source.
What Doulton filters are certified to remove
Across the Doulton models we track, here’s what their certifications actually cover.
How we know: we normalize the public certified-product listings from NSF, WQA, and IAPMO. A “yes” means a specific Doulton model is listed as certified for lead. See our methodology.