Doulton Ultracarb Cartridge

Rated 4.9 out of 5 stars
11 Reviews
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$149.90 Incl. GST
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Key Features

  • Micron: 0.9
  • Great tasting, healthier water without removing essential minerals
  • Ideal for tank water
  • Easy cleanable surface for prolonged cartridge life
  • Formulation tested to remove 99.99% of bacteria*
  • Formulation tested to remove 95% lead*
  • Replacement: 2300L or 12 months*

Contaminants Removal

  • Unpleasant Taste and Odour
  • Bacteria and Viruses (e.g. E.coli)
  • Parasites and Cysts (e.g. Giardia & Cryptosporidium)
  • Sediment and Turbidity (e.g. sand, dirt and rust)
  • Chlorine and other Disinfection Chemicals
  • Herbicides and Pesticides
  • Heavy Metals e.g. lead and mercury

Product Description

For highly efficient tank water filtration, the submicron Doulton Ultracarb is an ideal three-stage cartridge. The Doulton Ultracarb combines enhanced ceramic technology, activated carbon water treatment and heavy metal reducing ion exchange media.

The tiny pores in this ceramic cartridge mimic the actions of rocks in nature, letting drinking water flow through while micro filtering bacteria and pathogens, but allowing healthy minerals to remain. Measuring 0.9 micron (100 times smaller than a human hair) these pores work to protect your family from harmful contaminants, leaving great tasting, healthier water to flow through your tap.

The Doulton Ultracarb is formulation tested to remove 99.99% of bacteria, parasites and particles – such as potentially harmful pathogenic organisms like giardia, cryptosporidium, e-coli, cholera, typhoid kiebsiella terrigena and shigella.

The pore size and structure are expertly manufactured to consistently reduce a wide range of contaminants over the cartridge’s lifetime. Doulton is world renowned with hundreds of years of experience providing families with clean, healthy drinking water since its beginnings in 1826. Doulton’s commitment to the highest standards is built on years of innovation backed by UK manufacturing, ensuring top quality every time you replace your cartridge.

Because the Doulton Ultracarb’s outer ceramic surface is designed to catch and filter a large range of contaminants such as sediment, dirt and parasite cysts (like giardia and cryptosporidium), this may cause the cartridge’s flow to reduce over time. The Doulton Ultracarb can be conveniently restored to its normal flow level during its 12-month period of use with a little DIY maintenance. Simply remove the ceramic cartridge from its housing and gently scrub clean with a brush or a lightly abrasive pad for an extended life and improved flow.

Although the Doulton Ultracarb reduces disinfection products found in town water (such as chlorine) this cartridge is best recommended for use with water supplies high in sediment such as tank water. This 10” cartridge can conveniently fit into most portable Bench Top Water Filters and Under Sink Filtration Systems.



The Doulton Ultracarb cartridge should be replaced every 12 months.

Please note, all cartridges may be subject to replacement earlier than the recommended period. This depends on how much you use your water filter and the water quality in your area.


*Based on testing of cartridge formulation conducted both internally and externally by Doulton.



Rated 4.9 out of 5 stars
Based on 11 reviews
91%would recommend this product
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11 reviews
  • AJ
    Andrea J.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    4 hours ago
    Great filtration.

    Amazing how much it collects. Didn’t realise how dirty our water was.

    PW Profile picture for Pure Water Systems
    Pure Water Systems
    10 seconds ago

    Hi Andrea - thank you for your 5-star review!

  • LS
    Leonie S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    7 months ago
    Clean water

    Safer drinking water as we are on tank water.

    PW Profile picture for Pure Water Systems
    Pure Water Systems
    7 months ago

    Hi Leonie, thank you for your great review!

  • CS
    Cally s.
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    9 months ago
    Pure water!

    Absolutely loving our tank water now!

    Before we were using a different type of bench top filter but it would take so long to refill when fresh water was in demand!

    This product with the tap attachment has taken the guesswork out of preparing fresh water for my family.

    Now we can have water on tap, All the time!

    At one point the flow became so little and we thought we had failed to correctly set up the filter.

    But upon inspection we found the ceramic surface was covered in biofilm and brown stuff.

    So we scrubbed it clean and hooked it back up and it worked perfectly!

    Overall great product, takes any unpleasant tastes out of the water.

    We recently had to get a truck load of water delivered due to some droughts we are having in South east Queensland, our shower and bath smells very chlorinated and we were a bit worried about drinking the carted water, But this filter completely eliminates any chemical smell/taste.

    5 stars from me!

    PW Profile picture for Pure Water Systems
    Pure Water Systems
    9 months ago

    Hi Cally, thank you for your fantastic review! We are so pleased to hear that you are impressed with your new tank water filter cartridge and can now enjoy filtered water on demand. 🙂

  • F
    Rated 5 out of 5 stars
    9 months ago
    5 Stars

    Great product had a hard time uninstalling but bought the tool from the manufacturer which made it easy to undo and then to install

  • FB
    Frank B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 year ago
    Works well

    Having used the cartidge for a couple of months now I just cleaned it for the first time since installation. It restored the waterflow and was easily done. It was interesting to see how much sediment is still filtered out of our rainwater to give it that crystal clear look. I fill a container that we use for drinking water and put a silver coin into it which keeps the water beautifull fresh - no algae growth and great taste of the water.

    PW Profile picture for Pure Water Systems
    Pure Water Systems
    1 year ago

    Hi Frank, thank you for your review. We are happy to hear that you are enjoying the benefits of the Doulton Ultracarb Cartridge! 😊

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