Price: £29.45
(as of May 13, 2026 12:19:24 UTC – Details)
Product Description
Doulton Biotect Ultra Ceramic Water Filter
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Doulton Biotect Ultra Merchant video
Biotect Ultra Key Features 
Retains Essential Minerals
An activated carbon core, enhances your water quality by reducing a range of common contaminants whilst retaining healthy minerals.
Improves Taste & Odour
Improves the overall quality of your drinking water, by enhancing taste and removing odour and contaminants from your water supply.
Extensively tested
Our filter cartridges are tested to the highest standards, including NSF certifications. Making us the gold standard for water filters for 200 years.
Effective Contaminant Removal
Biotect Ultra reduces up to 99.99% of common contaminants, including microplastics, chlorine, bacteria & heavy metals such as lead, cadmium & mercury
Compatible Doulton Systems
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Customer Reviews
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Price
£29.45£29.45
£190.48£190.48
£348.95£348.95
£398.95£398.95
£234.95£234.95
Compatable with Biotect Ultra
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✔
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Product Location
Filter Element
Undersink
Underskin
Undersink
Countertop
Filter Lifecycle
6 Months
6 Months
6 Months
6 Months
6 Months
Dimentions
30D x 11.4W x 5.7H centimetres
11L x 10.8W x 36H centimetres
9.8L x 19.8W x 32H centimetres
9.8L x 29W x 32H centimetres
120.5Lx 12W x31.2H centimetres
Doulton Tap Required
Filter Element
Recommended
Recommended
Recommended
Not Required
How often should I replace the filter in my Doulton filter system?
We recommend replacing your filter every 6 months. If you notice a drop in water pressure or a change in taste, it may be time to replace the filter. You can try cleaning the filter first, following our guidelines if you notice any changes earlier.
What systems is the Biotect Ultra Filter compatible with?
The Biotect Ultra filter is compatible with all Doulton under sink and tap-mounted countertop systems. They are designed for use with any system that has an M12 fitting. For use with other brand check with manufacturer directly for compatibility.
Is the Biotect Ultra NSF certified?
The Biotect Ultra is Doulton’s hero water filter. Tested and certified by NSF to NSF/ANSI Standards 42, 53 & 401 (in our Ecofast Biotect Ultra Inline) and NSF/ANSI/CAN 372, it fits into all Doulton under sink & tap mounted countertop filter systems.
Great Tasting Water – Improves the overall quality of your drinking water, by enhancing taste and removing odour and contaminants from your water supply. Leaves you with fresh delicious drinking water.
Removes Contaminants – Our filters take out 99.99% of common contaminants, including bacteria, chlorine, lead, PFAS, cryptosporidium and more, but leaves the healthy minerals behind. Healthy water for the whole family, and your pets will love it too.
Replacement Filter – This filter is designed as a replacement cartridge for counter & undercounter water filters systems with an M12 fitting. Compatible with all Doulton HIP, HIS, and Countertop water filter systems. Pack contains [1] filter cartridges.
Proudly Made in Britain – From a company with over 200 years of experience in water filtration, our first water filter was made in 1826. Our craftsmen continue to manufacture high-quality, reliable ceramic filters in our own factory in the heart of the UK’s Potteries district.
Rigorously tested – All our systems and filter cartridges have been tested to the highest standards, including NSF certifications. That’s why we are still the gold standard for water filters. For best performance, filters should be changed every 6 months.
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