Doulton Twin Under Sink Water Filter with Fluoride Removal
- Removes up to 99.9% PFAS, fluoride, chlorine, chemicals, pesticides, heavy metals, particulates, and bacteria
- Retains all beneficial minerals
- Enhances taste/odour
- Perfect for town water
- Filter life of the included Doulton Ultracarb: 4,000 litres, scrub clean for extended filter life
- Filter life of the included Fluoride filter: 1,800 litres
- Filters made in UK and USA
- Handbuilt in Australia from high-quality materials that are designed to last
- 5 year warranty
- NSF certified BPA free housing
- Easy to maintain with replacement filters readily available and fitted quickly
- NSF certified (ANSI 61)
- Meets WaterMark specification AS/NZS 3497:1998
- Filter tested and certified to NSF/ANSI 42 for chlorine, bad taste and odour removal
- Filter tested and certified to NSF / ANSI 53 for chemicals, PFAS (PFOA & PFOS), pesticides, and heavy metal removal
- Filter tested for PFOA / PFOS removal
The Doulton Twin under sink water filter provides a high-quality, affordable option for water filtration for both the home and office. This under counter water filter system is designed for excellent water purification, convenient installation and use.
The first stage is fluoride water filtration that selectively adsorb fluoride ions, helping reduce concerning levels of fluoride often present in town and city water supplies.
The second stage of filtration is a 0.5 micron Ultracarb® carbon block filter that polishes the water by removing organic chemicals, chlorine taste and odor, particulates, and microorganisms.
With its simplified dual-filter process, our Doulton® Twin Undersink filter with fluoride removal delivers cost-effective and highly effective filtration in a discreet, space-saving setup.
- Dual stage filtration process combines fluoride removal followed by organic chemical and particulate reduction.
- Compact housing fits discreetly under the sink, keeping counters clutter-free.
- System connects to a separate chrome faucet installed beside your existing sink fixture for easy filtered water access.
Specifications:
- Filter output 5,000 litres
- Maximum flow rate: 3 litres per minute
- Dimensions: 23(W) x 32 (H) x 13(D)
- Micron Rating: 0.5 micron nominal, 0.9 micron absolute
- Warranty: 5 years
- We recommend that the filter cartridge be replaced every 6-12 months depending on water quality and usage.
$438.00 inc. GST
Description
1st Stage of Filtration: Fluoride Reduction - Made in USA
The first filtration stage in the Doulton under sink system uses a specialised fluoride removal cartridge containing a high-purity aluminum oxide media.
This adsorbent filter media is made from the same crystalline mineral corundum that rubies and sapphires consist of. Through a selective adsorption process, fluoride ions chemically bond to the media’s oxidized surface sites as water passes through.
With an extremely porous structure, the media provides an abundant 200 square meters of adsorption surface area per gram. This maximizes contact between the passing water and the media, allowing for thorough fluoride removal.
The high-purity corundum media, with its vast adsorptive surface area and selective binding affinity for fluoride, enables robust stage one fluoride reduction within the Doulton system.
2nd Stage of Filtration: Doulton Ultracarb - Made in UK
The second filtration stage in the Doulton undersink system utilizes the Ultracarb® cartridge, which combines mechanical and adsorptive filtration:
Outer Ceramic Shell:
- Manufactured from Doulton’s Sterasyl® ceramic with submicron pores that mechanically filter out particulates, bacteria, cysts, and turbidity.
- Incorporates trace silver for bacteriostatic properties to inhibit microbial growth.
Inner Carbon Block Core:
- Made from dense, extruded NSF-tested coconut shell carbon that adsorbs chlorine, tastes/odors, chemicals, pesticides, and heavy metals.
- Achieves NSF certification for reduction of chlorine/taste/odor and emerging contaminants.
The dual-action mechanical and adsorptive filtration of the Ultracarb® cartridge provides robust stage two polishing to produce clean, great-tasting water.
Certified Under Sink Water Filtration
This system meets the WaterMark specification AS/NZS 3497:1998 Amdt 1 2001 Drinking water treatment unit – Plumbing requirements.
Certificate Number 23124.
- Fluoride
- PFAS
- Aluminium
- Barium
- Cadmium
- Chlorine
- Chromium
- Copper
- Cryptosporidium & Giardia
- Cysts
- e. Coli Bacteria
- Heavy Metals
- Hydrocarbons
- Iron
- Lead
- Manganese
- Mercury
- Nitrate
- PCB’S
- Potassium
- Radium
- Sediment, Dirt & Rust
- Selenium
- Sodium
- Fluoride
- PFAS
- Aluminium
- Barium
- Cadmium
- Chlorine
- Chromium
- Copper
- Cryptosporidium & Giardia
- Cysts
- e. Coli Bacteria
- Heavy Metals
- Hydrocarbons
- Iron
- Lead
- Manganese
- Mercury
- Nitrate
- PCB’S
- Potassium
- Radium
- Sediment, Dirt & Rust
- Selenium
- Sodium
Replacement Filter Cartridges for
Doulton Twin Under Sink Water Filter with Fluoride Removal
Important Note: When changing cartridges it is very important that the new fluoride cartridge be flushed alone in the system for 10 – 15 minutes before adding the Doulton Ultracarb back into the system. This prevents the flushing from the fluoride cartridge running through the next stage.
Fluoride Filter Replacement
The system requires 1 of these cartridges to be replaced every 1800 litres or 12 months depending on water quality
Doulton Ultracarb Water Filter
The system requires 1 of these cartridges to be replaced every 4000 litres or 12 months depending on water quality.
Twin Under Sink Fluoride Removal Replacement Filter Set
Purchase the required filters as a set for a significant discount.
Doulton Twin Under Sink Water Filter with Fluoride Removal Components
- A – Fluoride filter cartridge
- B – Doulton Ultracarb Filter Cartridge
- 1 – Housing Sump
- 2 – Housing Cap
- 3 – Stainless Steel Bracket
- 4 – Pressure Limiting Valve (PLV)
- 5 – John Guest Elbow (with red clips)
- 6 – Brass Nipple
Choose Your Under Sink Water Filter Tap
All our under sink water filter taps feature a chrome finish and include a base plate and connection fittings.
* Please Note: the width (W) refers to the dimension from the centre line of the tap body to the centre of the spout.
Spring Loaded with Long Reach
Standard Spring Loaded faucet with black lever, in a long reach design.
200mm W x 210mm H
Mode
Standard Mode faucet in a high loop design.
150mm W x 290mm H
Retro
Standard Retro faucet in a high loop design and long reach.
125mm W x 235mm H
Euro with Long Reach
Standard Euro faucet in a long reach design.
150mm W x 230mm H
Euro with High Loop
Standard Euro faucet in a high loop design.
150mm W x 230mm H
Metro
Standard Metro faucet in a high loop design.
160mm W x 250mm H
Antique
Standard Antique faucet in a high loop design.
125mm W x 235mm H
Fin
Standard Fin faucet in a long reach design.
135mm W x 250mm H
Pure Water with Dulton's Ultracarb and Omnipure Fluoride Filter
The Omnipure Fluoride Filter with fine-mesh Activated Alumina - 1st Stage
The Omnipure Fluoride Cartridge uses Activated Alumina to reduce fluoride by 99%. Through selective adsorption, fluoride ions bind to the cartridge’s oxidised surface, removing them from your water supply. This advanced filtration media ensures your drinking water is virtually fluoride-free.
The Doulton® Ultracarb's three-stage filtration process to purify water - 2nd Stage
Outer Ceramic Shell:
- Manufactured from proprietary Sterasyl® ceramic material with submicron pores that mechanically trap particulates, sediment, bacteria, cysts, and turbidity through size exclusion.
- Incorporates trace levels of silver that act as a bacteriostatic agent to inhibit bacterial growth within the shell.
Inner Filtration Core:
- Contains highly adsorbent, activated carbon made from NSF-certified coconut shells to reduce chlorine, organic compounds, and improve taste/odor.
- Also includes ion exchange resin beads designed to attract, bind, and remove dissolved heavy metals like lead and zinc.
Ion Exchange Resin:
- Heavy metal removal media for the reduction of lead and other heavy metals.
By combining filtration in the outer shell with filtration in the inner core, this candle filter provides extensive removal of particulates, pathogens, chlorine, organics, and heavy metals for optimized water quality and safety.
The Doulton Ultracarb® filter cartridge can be washed and reused
Over time, the outer surface of the ceramic filter may collect fine sediment. Simply scrub it gently under running water using a clean scouring pad or soft brush to remove buildup. This restores flow rate and ensures your filter continues to perform at its best. Do not use soap or detergents — plain water is all you need.
What does the Doulton® Ultracarb Ceramic Cartridge remove?
- Bacteria (Cholera, Typhoid, Salmonella, Serratia, E Coli, fecal coliform)
- Chlorine
- Cysts (Cryptosporidium, Giardia Lamblia)
- Chemicals
- Sediment
- Heavy Metals (Lead and other Heavy Metals)
- PFOA and PFOS
- Pesticides, Herbicides, and Solvents
- Taste and Colour
Additional information
| Weight | 2 kg |
|---|---|
| Dimensions | 33 × 32 × 13 cm |
| Choose Size: | 9 Inch, 10 Inch |
3 reviews for Doulton Twin Under Sink Water Filter with Fluoride Removal
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Kirra Lee Parr –
Easy installation, very helpful if you call to chat with them. Delicious tasting water.
Living Whole –
Thanks for the review Kirra Lee. The Doulton twin is an excellent under sink water filter and we’re glad to be able to help.
Ian –
I recommend this product for clean safe water
Living Whole –
Hi Ian, Thank you for your feedback. 🙂
Ben –
.