Does Doulton remove chlorine?
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 chlorine
Residual disinfectant (MRDL 4 mg/L). Taste/odor; not a major health hazard at treatment levels but drives byproduct formation.
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 chlorine. See our methodology.