• Reverse Osmosis Water Filter with Hydrogen II
  • AS-420-Battery-operated-Leak-Stopper-with-filter-life-monitor
  • Chrome Metro Faucet with High Loop

Ultra High Purity Under Sink Reverse Osmosis System with Hydrogen-Rich Alkaliser – 5 Stage

(1 customer review)

$979.00 inc. GST

You want safe, pure water for your family without needing a science degree to figure it out.

  • US made filters and 0.0005 micron RO membrane remove fluoride, chlorine, PFAS, bacteria, viruses, microplastics, heavy metals.
  • An alkalising stage for hydrogen-rich alkaline water, packed with potent antioxidants and beneficial minerals.
  • Water source: Townwater (Mains)
  • Includes Leak Stopper & Filter Life Monitor ($99 value) for total peace of mind.
  • Includes sleek Metro High Loop chrome filter faucet ($99 value)
  • Features NSF-certified components and is Watermark certified (AS/NZS 3497:1998).
  • Hand-built in Sydney with US-made parts. Includes a 5-year housing warranty.
  • Annual filter replacement costs  $321, plus $149 for the RO membrane every 3–6 years.

Upgrade to a 3-way mixer tap at a discount

Hot, cold, and filtered water from one tap. No extra drilling required.
Want a different tap style or finish? Chat with us to customise your order.

None Side Lever High Loop 3 Way Mixer Chrome $469 (Save $95) +$374.00 Stainless Steel 3 Way High Loop Matte Black Mixer Tap $478 (Save $99) +$379.00 Veggie Spray 3-Way Mixer Tap Brushed Stainless Steel $499 (Save $75) +$424.00

Reverse Osmosis Tank

Reverse Osmosis Tank 5 Litre Reverse Osmosis Tank 8 Litre +$77.00 Reverse Osmosis Tank 11 Litre +$88.00

Description

Specifications

  • Water source: Townwater (Mains)
  • Filter life Sediment Pre-Filter & Carbon Filters: 6-12 months
  • Filter life Membrane: 3-6 years
  • Filter life hydrogen cartridge: 12 months  
  • 0.0005 Micron
  • Maximum flow rate: 3 litres per minute
  • Maximum filter output: 200 litres per day
  • Warranty: 5 years (housing)
  • Temperature Range: 5°C – 25°C 
  • Dimensions System: 32 cm (W) x 42 cm (H) x 13 cm (Deep)
  • Dimension 5-litre storage tank: 32 cm (H) x 20 cm (D)
  • Metro Tap: 160mm (W) × 250mm (H)
    Reach measured from the tap body centre to the spout centre
  • Watermark Certificate Number 52014

Certified Under Sink Water Filtration

This system meets the WaterMark specification AS/NZS 3497 Drinking water treatment unit – Plumbing requirements.
Certificate Number 52014.

WaterMark Certification
NSF Certification

Everything You Want to Know

What's included in the system

This reverse osmosis water filter comes pre-assembled with the first set of cartridges, housing, leak stopper & filter life monitor, tank, tap, hoses, screws, locking clips, and all components required for installation (excluding tools).

Sediment Pre-Filter: Every 12 months ($44)
Carbon Filters (2x): every 12 months (2x $79)
Membrane: Every 3–6 years – depending on water quality and usage ($149)
Hydrogen Cartridge: Every 12 months ($119)

If you’re someone who reads labels, asks questions, and cares deeply about what goes into your body, this system was made for you. Reverse osmosis is the gold standard in water filtration, removing what others can’t – while added hydrogen supports optimal hydration and overall wellbeing.

For those who don’t just hope their water is clean… they make sure it is.

If you want exceptionally pure water with essential minerals added back for balanced, everyday hydration, our 5-Stage Ultra High Purity Reverse Osmosis Filter is a perfect fit. The same premium purification, simply remineralised for clean, healthy water you can feel good about.

This system is best suited for town (mains) water. Tank water sources often lack the required water pressure  required for RO systems. For tank or bore water, please explore our Rain Water Tank Filter options. 

Replacement Filter Cartridges for
Ultra High Purity Under Sink Reverse Osmosis System with Hydrogen

You’re choosing cleaner water – without turning into something lifeless. So are we. That’s why your system features genuine Omnipure filters, manufactured in the USA for over 50 years and trusted worldwide for certified, consistent performance – paired with precision-engineered Puretron components, known for reliability and innovation in advanced water purification.

Removes particulate matter such as sediment, rust, dirt, cloudiness from the water. For best results we recommend replacing every 6-12 months. Made in USA ($44).

Effectively reduces PFAS, Chlorine, Chemicals, Taste & Odour. NSF 42 certified. For best results, we recommend replacing every 6-12 months or 7,500L depending on water quality. Made in USA ($79).

Effectively removes up to 99% of PFAS, fluoride, microplastics,  bacteria. The membrane screens to 0.0005 micron for pristine drinking water. Replace every 3-6 years. Made in USA ($149).

The Omnipure Alkaliser OR AlkaHydrate Alkaliser raises pH levels, producing  alkaline oxygenating qualities for healthier water. Replace every 12 months ($89 / $119).

You care about what goes into your body

You read, question and choose carefully. If you’re looking for highly filtered water with molecular hydrogen, this system brings both together at your kitchen tap.

The advanced RO system filters your water, then infuses it with molecular hydrogen, giving you crisp, remineralised water for drinking, cooking and everyday use.

Pour a glass and enjoy fresh, crisp water straight from the tap.
Fill your bottle before heading to the gym or out for the day.
Make tea, cook dinner and stay hydrated with water you enjoy.

A simple kitchen upgrade combining reverse osmosis filtration with molecular hydrogen.

Reverse Osmosis water filter

3 Simple Steps to Safer Water - with Free Shipping Australia-Wide:

Choose your reverse osmosis system with desired setup and join our Pure Water Tribe. 

Hand-built for you in Sydney and shipped with tracking so you know it’s on the way. 

Install, turn on your tap and feel at home with others who trust what they drink. 

Trusted by Thousands of Australian Families for Nearly a Decade

We founded Living Whole to take the confusion out of choosing a water filter. Backed by nearly 10 years in business and over 40 years of combined team experience, we’ve helped thousands of Australians find the right filter for their home, Research backed, reliable, and built to last. 

Absolutely fantastic. Does exactly as promised (based on taste of pure clean water – I have not scientifically tested the water). I am very happy and would highly recommend.Also relatively easy to install.
Kerim

One Tap, Zero Extra Holes

Your system includes a standard filter tap. If you prefer to avoid drilling an extra hole, you can choose one of these 3-way mixer upgrades.
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.

Side Lever High Loop 3-Way Mixer Chrome

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

203mm W x 365mm H

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

Stainless Steel 3 Way High Loop Matte Black Mixer Tap

The Stainless Steel 3 Way Mixer Tap with high loop in a matte black finish, providing hot, cold and filtered water from a single tap.

225mm W x 400mm H

3-Way Mixer Tap

Designated tap

Tap illustration - 3way mixer tap
Tap illustration - designated tap
RO Under Sink Installation Diagram

Reverse Osmosis Tank

Reverse Osmosis Tank

Additional information

Weight2 kg
Dimensions25 × 25 × 42 cm
Alkaliser

Alkahydrate (made in Asia), Omnipure (made in USA)

1 review for Ultra High Purity Under Sink Reverse Osmosis System with Hydrogen-Rich Alkaliser – 5 Stage

  1. Kerim Nutku –

    Absolutely fantastic. Does exactly as promised (based on taste of pure clean water – I have not scientifically tested the water). I am very happy and would highly recommend.

    Also relatively easy to install.

    • Living Whole –

      Thank you so much for your lovely review! We’re thrilled you’re enjoying the taste of your clean, fresh water 😊

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