CTO Twin Water Filter with double Filtration
  • CTO Twin Water Filter with double Filtration
  • Coldstream CTO Max
  • CTO MAX 10 Inch red II
  • CTO MAX Filter Cartridge Packaging

CTO Max Twin Under Sink Water Filter with Dual Chlorine & Fluoride Removal

(3 customer reviews)

Feel confident about every glass you pour.

Take control of the quality of your water and feel revitalised every day knowing the water you drink is free from harmful toxins!
Enjoy great-tasting water from your tap with this twin under sink system. Two CTO Max carbon cartridges reduce chlorine, taste, odour and fluoride. NSF certified, UK made, handbuilt in Sydney with a 5-year housing warranty. Reliable, effective, and easy to install.

 

Why choose the CTO Max Twin?

  • Dual Toxin Removal: Two specialised cartridges work together to reduce fluoride and other contaminants more effectively than standard systems.
  • High-Performance CTO Filtration: Removes chlorine, chloramine, fluoride, PFAS, microplastics and organic contaminants – for pure water you’ll actually love to drink.
  • NSF / ANSI 53 & NSF/ANSI 42 certified cartridges from trusted UK manufacturer Coldstream
  • Handbuilt in Sydney with 5-year warranty on housing
  • Simple DIY-Friendly Setup. Just basic tools required and comes with clear instructions – no fuss, no plumber needed (unless you’d prefer one!). Fully compliant with WaterMark specification AS/NZS 3497:1998

NSF Watermark certified
NSF Watermark certified

 

Replacement filter details can be found here.

Choose the tap for your under sink water filter

Retro with High Loop Spring Loaded Black Lever Chrome +$10.00 Metro with High Loop Chrome +$20.00 Antique with High Loop +$20.00 Fin with Long Reach +$30.00 Mode with high Loop +$50.00 Euro with High Loop +$90.00 Euro with Long Reach +$90.00 Side Lever High Loop 3 Way Mixer Chrome +$409.00 Side Lever Long Reach 3 Way Mixer Chrome +$349.00 Stainless Steel Premium Mixer Tap +$309.00 3-Way Mixer Tap Standard Chrome +$319.00 New Nova 3-Way Mixer Tap Polished Chrome +$309.00 Stainless Steel High Loop 3-Way Mixer Tap +$299.00 Premier Stainless Steel Matte Black 3-Way Mixer Tap (Long Reach) +$299.00 Stainless Steel 3 Way High Loop Matte Black Mixer Tap +$449.00

$449.00 – $469.00 inc. GST

SKU: IT007203 Categories: , ,

Description

Specifications
  • Filter output up to 10,000 litres, for optimal performance we recommend replacing the filters every 6-12 months
  • Dimensions: 23(W) x 32 (H) x 13(D)
  • Maximum flow rate: 3 litres per minute
  • Warranty: 5 years (housing)
CTO MAX Filter Cartridge

Coldstream CTO Max Replacement

The system requires 2 of these cartridges to be replaced every 6-12 months for optimal performance.

You want clean, safe water for your family—and the Coldstream CTO Max helps you get there. This all-in-one cartridge removes over 130 contaminants, including Fluoride, Chlorine, Chloramine, PFAS, heavy metals, bacteria, and viruses. With its advanced dual-layer design, it fits standard benchtop water filter & undersink water filters and delivers peace of mind with every glass. Certified to NSF standards and built in the UK, it’s your powerful ally in creating a healthier home through pure, great-tasting water.

Buy Now or Learn More

Installation of your reverse osmosis system is straightforward with the included guide and complete package of parts. All necessary fittings, tubing, and adapters are provided for a seamless setup. 

We want to ensure your installation experience is easy and stress-free. Please reach out to our support team with any questions! 

Doulton Twin and Triple Undersink Water Filter Installation Diagram
Doulton Twin Under Sink Water Filter Ultracarb with fluoride removal component diagram
  • A – CTO Max Cartridge

  • B – CTO Max 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

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
  • Aluminium
  • Barium
  • Cadmium
  • Chloramine
  • Chlorine
  • Chromium
  • Copper
  • Cryptosporidium & Giardia
  • Cysts
  • e. Coli Bacteria
  • Heavy Metals
  • Hydrocarbons
  • Iron
  • Lead
  • Manganese
  • Mercury
  • Microplastics
  • Nitrate
  • PCB’S
  • PFAS
  • Potassium
  • Radium
  • Sediment, Dirt & Rust
  • Selenium
  • Sodium
  • Fluoride
  • Aluminium
  • Barium
  • Cadmium
  • Chloramine
  • Chlorine
  • Chromium
  • Copper
  • Cryptosporidium & Giardia
  • Cysts
  • e. Coli Bacteria
  • Heavy Metals
  • Hydrocarbons
  • Iron
  • Lead
  • Manganese
  • Mercury
  • Microplastics
  • Nitrate
  • PCB’S
  • PFAS
  • Potassium
  • Radium
  • Sediment, Dirt & Rust
  • Selenium
  • Sodium
WaterMark Certification
NSF Certification

Choose Your Under Sink Water Filter Tap

All our under sink water filter taps 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.

Chrome Spring Loaded Faucet with Black Lever

Spring Loaded with Long Reach

Standard Spring Loaded faucet with black lever, in a long reach design.

200mm W x 210mm H

Chrome Mode Faucet with High Loop

Mode

Standard Mode faucet in a high loop design.

150mm W x 290mm H

Chrome Retro Faucet with High Loop and Long Reach

Retro

Standard Retro faucet in a high loop design and long reach.

125mm W x 235mm H

Chrome Euro Faucet with Long Reach

Euro with Long Reach

Standard Euro faucet in a long reach design.

150mm W x 230mm H

Chrome Euro Faucet with High Loop

Euro with High Loop

Standard Euro faucet in a high loop design.

150mm W x 230mm H

Chrome Metro Faucet with High Loop

Metro

Standard Metro faucet in a high loop design.

160mm W x 250mm H

Chrome Antique Faucet with High Loop

Antique

Standard Antique faucet in a high loop design.

125mm W x 235mm H

Chrome Fin Faucet with Long Reach

Fin

Standard Fin faucet in a long reach design.

135mm W x 250mm H

Side Lever High Loop Mixer IT003855

Side Lever High Loop 3-Way Mixer Chrome

The Side Lever High Loop 3-Way Mixer Tap in Chrome features a sleek high-loop design, providing hot, cold, and filtered water from a single tap.

203mm W x 365mm H

View Details
Side Lever Mixer IT001169

Side Lever Long Reach 3-Way Mixer Chrome

The Side Lever Long Reach Mixer Tap features a simple yet elegant design, providing hot, cold, and filtered water from a single tap.

195mm W x 325mm H

View Details
3 Way Mixer Tap STD Chrome

3-Way Mixer Tap Standard Chrome

The 3-Way Mixer Tap Standard Chrome comes in a  sleek long-reach design, providing hot, cold, and filtered water from a single tap.

245mm W x 180mm H

View Details
Nova Mixer

New Nova 3-Way Mixer Tap Polished Chrome

The New Nova 3-Way Mixer Tap Polished Chrome features a sleek long-reach design, providing hot, cold and filtered water from a single tap.

200mm W x 210mm H

View Details

Installation Guides

Twin Undersink Installation Instructions
Twin Undersink Maintenance Guide
Drinking Water Faucet Installation Guide

Data Sheets & Test Reports

CTO Max Test Results

Additional information

Weight2 kg
Dimensions33 × 32 × 13 cm
Choose Size:

9 Inch, 10 Inch

3 reviews for CTO Max Twin Under Sink Water Filter with Dual Chlorine & Fluoride Removal

  1. 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.

  2. Ian –

    I recommend this product for clean safe water

    • Living Whole –

      Hi Ian, Thank you for your feedback. 🙂

  3. Ben –

    .

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