
Clean, great-tasting drinking water from the tap is one of the most valuable home improvements available — and the Doulton Ultracarb M15 Ceramic Water Filter delivers it. This 2-pack of ceramic candle filters is compatible with Franke 02 Triflow and Filterflow 1st and 2nd generation plastic housing systems, reducing contaminants and significantly improving the taste and odour of tap water. At £91.40 for two filters, it’s one of the most effective and best-value water filtration solutions for Franke filter systems.
What Is the Doulton Ultracarb M15?
The Doulton Ultracarb M15 is a ceramic candle water filter that uses Doulton’s proprietary Ultracarb filtration technology — a combination of ceramic filtration and activated carbon that removes bacteria, cysts, chlorine, chloramines, lead, and other contaminants while improving taste and odour. Doulton has been manufacturing ceramic water filters since 1827 and is one of the most trusted names in water filtration. The M15 format is specifically designed for Franke Triflow and Filterflow plastic housing systems.

Key Features
- 2-pack — two replacement filters for extended use
- Ultracarb technology — ceramic + activated carbon dual filtration
- Reduces contaminants — bacteria, cysts, chlorine, lead, and more
- Improves taste & odour — noticeably better-tasting tap water
- Franke compatible — fits Triflow & Filterflow 1st/2nd gen plastic housing
- Doulton heritage — nearly 200 years of ceramic filtration expertise
Usage Cases — Who Needs This?
1. The Franke Triflow System Owner
Anyone with a Franke Triflow or Filterflow system needs regular filter replacement to maintain filtration effectiveness. The Doulton Ultracarb M15 is a direct compatible replacement that maintains or improves on OEM filtration performance.
2. The Chlorine Taste Hater
UK tap water is treated with chlorine that leaves a noticeable taste and odour. The Ultracarb’s activated carbon removes chlorine and chloramines, delivering noticeably better-tasting water from the tap.
3. The Bottled Water Replacer
Filtered tap water from a Doulton Ultracarb system is comparable in quality to bottled water at a fraction of the cost. The 2-pack provides months of filtered water that replaces the need for bottled water entirely.
4. The Lead Pipe Household
Older properties with lead pipes or lead solder joints may have elevated lead levels in tap water. The Ultracarb’s ceramic filtration reduces lead to safe levels, providing peace of mind for households in older properties.
5. The Baby Formula Preparer
Parents preparing baby formula need the cleanest possible water. Filtered water from a Doulton Ultracarb system removes the contaminants and chlorine that can affect formula quality and infant health.

Is It a Bargain?
At £91.40 for a 2-pack of Doulton Ultracarb M15 ceramic water filters, this represents excellent value for a premium filtration solution from one of the world’s most trusted water filter manufacturers. The 2-pack provides an extended supply of replacement filters, and the Ultracarb technology delivers filtration performance that justifies the investment.
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