Compact Ultra High Purity Under Sink Reverse Osmosis System Mineral-Free Water – 3 Stage
$739.00 inc. GST
Finding a water filter that filters fluoride and other contaminants shouldn’t be confusing. We make it easy to choose a reliable, space-saving system you can trust.
- US made filters and 0.0005 micron RO membrane remove fluoride, chlorine, PFAS, bacteria, viruses, microplastics, heavy metals.
- Fits anywhere: compact design saves precious undersink space (30x18x17cm + tank).
- No remineralisation stage – just ultra-pure water.
- Includes Leak Stopper & Filter Life Monitor ($99 value) for total peace of mind.
- Includes sleek Retro High Loop chrome filter faucet ($79 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.
- A complete no-electricity-required undersink system with filters, tap, tank, and all parts.
- Average Annual replacement cost: $138, +$149 every 3-6 years
Description
Specifications
- Filter life Carbon Filters: 6-12 months
- Filter life Membrane: 3-6 years
- 0.0005 Micron
- Maximum flow rate: 3 litres per minute, 200 litres/day
- Warranty: 5 years (housing)
- Temperature Range: 5°C – 25°C
- Water source: Townwater (Mains)
- Dimensions System: 33 cm (L) x 18 cm (H) x 17 cm (W)
- Dimension 5-litre storage tank: 32 cm (H) x 20 cm (D)
- 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.
- Fluoride
- PFAS
- Aluminium
- Barium
- Cadmium
- Chlorine
- Chromium
- Copper
- Cryptosporidium & Giardia
- Cysts
- e. Coli Bacteria
- Heavy Metals
- Hydrocarbons
- Iron
- Lead
- Manganese
- Mercury
- Microplastic
- Nitrate
- PCB’S
- Pesticides & Herbicides
- PFAS
- Potassium
- Radium
- Sediment, Dirt & Rust
- Selenium
- Sodium
- Fluoride
- Aluminium
- Barium
- Cadmium
- Chlorine
- Chromium
- Copper
- Cryptosporidium & Giardia
- Cysts
- e. Coli Bacteria
- PFAS
- Heavy Metals
- Hydrocarbons
- Iron
- Lead
- Manganese
- Mercury
- Microplatic
- Nitrate
- PCB’S
- Pesticides & Herbicides
- Potassium
- Radium
- Sediment, Dirt & Rust
- Selenium
- Sodium
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).
How often do I need to change the cartridges and how much do they cost?
Carbon Filters (2x): every 12 months (2x $69)
Membrane: Every 3–6 years – depending on water quality and usage ($149)
Is this the right RO system for me?
If you’re looking for ultra-pure water with absolutely nothing added back in, this 3-Stage RO System is exactly what you need for a completely clean slate. It tackles harsh water and older plumbing, stripping away contaminants to deliver pure, unadulterated water—ideal if you prefer to control your hydration by adding your own specific trace minerals, or if you need totally pure water for yourself or for specialty appliances.
Live in a high-sediment area like parts of Central QLD, WA or SA? Consider our Ultra High Purity 4-Stage RO System for added protection.
Want essential minerals added back in? Check out our Compact Ultra High Purity RO 4 stage system with a dedicated remineralising stage.
Can I use this RO system for tank and bore water?
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
Compact UHP Under Sink Reverse Osmosis System with Alkaliser – 4 Stage
We know you want to protect your family from toxins without stripping the water dead. That’s why we don’t compromise on components. Your system is powered by genuine Omnipure filters – manufactured in the USA for over 50 years to deliver consistent, certified purity you can taste.
Effectively reduces PFAS, Chlorine, Chemicals, Taste & Odour. NSF 42 certified. For best results replace every 12 months or 7,500L depending on water quality. Made in USA ($69).
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).
3 Simple Steps to Safer Water - with Free Shipping Australia-Wide:
Choose your reverse osmosis system with desired faucet & tank 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 enjoy clean, ultra-pure water on demand.
Trusted by Thousands of Australian Families for Nearly a Decade
We founded Living Whole to remove the confusion from choosing the right water filter. With nearly 10 years in business and over 30 years of combined team experience, we’ve guided thousands of Australian households toward solutions they can genuinely trust. Every system we offer is research-backed, carefully selected, and built to perform reliably for years to come.
Pure water, without the overwhelm
You’ve read about fluoride, heavy metals, and contaminants until it all feels like too much. It shouldn’t be this complicated to feel confident in your water.
This compact reverse osmosis water filter removes the guesswork, delivering clean, purified water straight from your tap.
No noise. No fuss. Just water you can trust.
Fill the kettle, cook dinner, and pour a glass knowing exactly what’s been taken out.
A simple, space-saving solution that works quietly under your sink, so you can focus on living, not filtering.
Because feeling good in your home starts with the water you drink.
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
Designed to Be Straightforward - With Support When You Want It
Our systems are designed for people who want to create a safe home without overcomplicating things. Everything is thoughtfully built so installation is logical and achievable. You can choose to connect the system yourself or have your local plumber handle the install.
- We build it. You connect it.
- Our step-by-step guide, backed by local Australian support, means you’re never left guessing.
Choosing Living Whole means joining a community that values better water, every day.
Additional information
| Weight | 2 kg |
|---|---|
| Dimensions | 25 × 25 × 42 cm |
1 review for Compact Ultra High Purity Under Sink Reverse Osmosis System Mineral-Free Water – 3 Stage
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- Price range: $379.00 through $399.00 inc. GST
- Select options This product has multiple variants. The options may be chosen on the product page
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Anna-Lena Joerg –
Super happy with the purchase, great quality. I did a fair bit of research before buying my first RO filter and this one stood out to me for high quality and yet being affordable. The water tastes great and installation was straightforward and easy. Would go with this again.
Living Whole –
Thank you so much for your thoughtful review, Anna-Lena! We’re so glad you’re happy with the quality and found the installation easy, and even happier to hear you’re enjoying the taste. We really appreciate your support 💛