Doulton HIS Push-Fit Under-Sink Filter
Doulton
typically £270-300
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Check price on Amazon — Doulton HIS Push-Fit Under-Sink Filter (opens in a new tab)Assessed on what the filter is made from, not on what it removes.
This does not prove that zero microplastic or nanoplastic particles are present or could ever be released.
Microplastic Status
Based on available ingredient data, Doulton HIS Push-Fit Under-Sink Filter does not contain known microplastic ingredients. Materials used include stainless steel sump, Biotect Ultra ceramic element with activated carbon core, LLDPE tubing in the installation kit, push-fit connectors. This assessment is based on publicly available product information and ingredient databases.
How we assess products
We work from published information; we do not lab-test, and a verdict here is never a claim that we have.
Low concern means the published materials we assessed show no known microplastic ingredient and no material microplastic concern. It does not mean:
- Not proof that no microplastic or nanoplastic particles are present or released — analytical methods have lower size limits, and nanoplastics largely escape detection.
- Not elimination of background exposure, which indoor dust and diet may dominate anyway.
- Not proven health safety — current science cannot substantiate that for any product.
- Not a general environmental or sustainability endorsement.
About This Product
Based on available material data, this is the rare filter whose own body is not plastic: Doulton specifies a "Sleek stainless steel sump" and the element is ceramic with an activated carbon core, so the water sits against steel and ceramic rather than a polymer. The supply tubing and push-fit connectors in the installation kit are plastic, as they are on any plumbed filter, but the water only transits them. Doulton lists microplastics among what the system reduces.
Materials
- stainless steel sump
- Biotect Ultra ceramic element with activated carbon core
- LLDPE tubing in the installation kit
- push-fit connectors
Where to Buy in the UK
Amazon typically £270-300
Doulton typically £270-300
Buying Guide
Want to compare all microplastic-free water filters? Read our comprehensive guide.
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Doulton HIS Push-Fit Under-Sink Filter · typically £270-300
Check price on Amazon — Doulton HIS Push-Fit Under-Sink Filter (opens in a new tab)