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Whole House

Protect your family with pure water for drinking, bathing, and appliances.
Clean water for whole house: reduces sediment, chlorine, odors, tastes.
Revitalise your water with Australia’s leading water softener system.
Eliminate bacteria and viruses across your entire home with UV filtration.
Under Sink

Ultra-pure drinking water: removes fluoride, chlorine, lead, and harmful contaminants.
Rebalance your water: added calcium, magnesium for healthier alkaline drinking.
Chilled & Boiling

Instant hot water for beverages and cooking, purified and mineral-enriched.
Enjoy instant, filtered, mineral-rich chilled water straight from your tap.
Instantly enjoy filtered boiling and chilled water with a sleek designer tap.
Water Filter Package Bundles

Total home water protection with advanced reverse osmosis purification.
Cartridges & Accessories

Older Models
12-month interest-free, 4 Afterpay instalments or pay on completion with our No-Fit-No-Fee Guarantee.
Hassle-free filter replacements ensure consistently clean, safe drinking water at home.
Professional licensed plumber installs your water system perfectly, quickly, and at no cost.
Exclusive membership program offers decade-long savings and priority benefits for members.
Complete peace of mind with comprehensive warranty and reliable product guarantee.
Precision-designed water systems, crafted in Australia for durability, reliability, and peak performance.
ES5Q FRONT BYPASS MODE ON 2025-26
Trusted Australia-Wide
Thousands of customers rely on our systems every day; consistently top-rated for quality, service and long-term reliability.
With 33 years of water filtration experience and over 35,000 customers served, we provide fully installed, hassle-free systems across Australia and New Zealand.
Reverse Osmosis Water Filters

Whole House Reverse Osmosis System

Discover the ultimate whole house reverse osmosis system and mineral wellness filtration package that blends two advanced systems for complete home protection.
The ES5Q Whole House Filter infuses your water with natural earth and volcanic minerals for revitalised, chemical-free water throughout your home, while the ES3 Reverse Osmosis System delivers ultra-pure, great-tasting drinking water right from your tap as part of a complete whole house reverse osmosis system.

Now Only $4,995 With Free Installation

100% No Risk
No Upfront Payment Required
Only Pay When Installed

3 Steps to Pure Water

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01
Choose your Package
Sit back and relax with our easy turnkey solution. Flexible payment options make it simple.
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02
Frozen Price Guarantee
Enjoy peace of mind with our no-fit-no-fee guarantee. Frozen price includes full installation.
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03
Pay Only Once Installed
No upfront costs, no hidden surprises. You pay only once your system is fully fitted and working.
Pure Water, Zero Upfront

NORMALLY $6,700 NOW $4,995 with Free Installation

Option A: 4 payments of $1249 with AfterPay

Option B: 12 months interest-free of $435 with ZIP/HUMM

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TOUCH
Free No-Charge
Installation on New Systems*
Free No-Charge
Installation on New Systems*
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TOUCH
Cartridge Replacement Support & Care
Cartridge Replacement Support & CareCourtesy reminder calls to schedule a service, post out or arrange installation of replacement water filter cartridges.
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TOUCH
Technology Updates
Technology UpdatesAccess the very latest, cutting-edge, breakthrough water filtration technology.
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TOUCH
Free Postage
Free Postage
Enjoy the convenience of having your up to date water cartridges replacement delivered straight to your door – completely for free.
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TOUCH
Free 5 Yr Guarantee Extension
Free 5 Yr Guarantee Extension
Extra Product Guarantee Extension from market normally 1 Year to 5 YEARS (Service call outs 2 years)
Whole-House Protection and Ultra-Purified Drinking Water

ESQ5 Wellness + ES3 Reverse Osmosis

Discover a complete whole home reverse osmosis system designed to elevate every drop in your home. The ESQ5 Wellness system works at the heart of your plumbing to deliver revitalised, mineral-rich water to every tap, shower and appliance.
Paired with the ES3 Reverse Osmosis unit under your sink, it forms a reverse osmosis water filter whole house package that ensures your drinking water is purified to the molecular level while delivering a crisp, fresh taste.

Whole-Home Coverage - The ESQ5 ensures your entire property benefits from high-performance filtration and mineral infusion.
Premium Mineral Enrichment - Water is enriched with earth and volcanic minerals, supporting better taste and wellness every day.
Drinking Water Elevated - The ES3 under-sink system delivers ultra-fine filtration for the purest water possible.
Complete Peace of Mind - With appliances safeguarded and water quality optimised, you and your family enjoy clean, safe, premium water from every outlet.
✅ It is more than filtration; it is an investment in your health, comfort, and lifestyle.

NORMALLY $6,700 NOW $4,995 with Free Installation
12 Months Interest-Free of $435 with ZIP/HUMM
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Technology Light Years Ahead

Our dual-system configuration provides a whole house reverse osmosis system working alongside mineral wellness enhancement to deliver complete home water quality.

  • Next-Gen Dual Filtration

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    The ES5Q Wellness and ES3 Reverse Osmosis systems work together to purify every drop from your main line to your kitchen tap.

  • Whole-Home Wellness Water

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    ES5Q delivers mineral-enriched, chlorine-free water to every outlet, protecting your family and appliances.

  • Ultra-Pure Drinking Water

    Cartridge Replacements

    ES3 filters down to 0.0001 microns, removing up to 99% of impurities for clean, crisp, and refreshing drinking water.

Reverse Osmosis Water Filter System

Engineered for Quality and Longevity

Crafted from marine-grade stainless steel with smart, self-cleaning technology, the ES5Q and ES3 systems are built to deliver lasting performance, minimal maintenance, and pure water for years to come.

  • Built to Last

    Stylish Stainless Steel Tap

    Crafted with marine-grade 316 stainless steel for maximum durability and corrosion resistance.

  • Effortless Maintenance

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    Smart pressure gauges, bypass valves, and easy-access panels make servicing simple and fast.

  • Wellness in Every Drop

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    Natural minerals are reintroduced for revitalised, great-tasting water that supports everyday wellness.

 
 
 

What This Filter Removes

The Elite Series 2 uses advanced filtration technology to remove dissolved solids and heavy metals down to just 0.2 microns. This high-performance ionized water filter process ensures your household has access to pure, mineral-rich drinking water, making it one of the most efficient alkaline water filter systems for home use.
Stage 1
Stage 1 — 5 Micron Sediment FilterEffective in removing dirt, rust and sand particles.
Stage 2 — 1 Micron Activated Carbon Filter
Stage 2 — 1 Micron Activated Carbon FilterThis granular activated carbon filter is composed of high-performance activated carbon that remove free chlorine, odour, organic contaminants, pesticides and chemicals that contributed to taste and odour.
Stage 3 — 0.0001 Micron Reverse Osmosis Membrane
Stage 3 — 0.2 Micron KDF + Coconut Shell Carbon FilterRemoves heavy metals & bacteria
Stage 4 — Mineral Restoration
Stage 4 — +Alkaline / MineralsThe Alkaline filter changes your water into a perfect natural alkaline ionized water.
The Alkaline filter simply returns minerals such as ionized calcium, magnesium, sodium, potassium ions, which were taken away while purifying the water.

GALLERY

Why Great Water Filters Australia?

Free Reverse Osmosis Water Filters Installation
33 Years of Business
Years of Business
10 Year VIP Free
Become a Partner
33 Years in Business
35,000 Water Filters Installed
90% 5 STAR RATING

Whole House Water Filter System Reviews

“Great service and support. Great Water Filters send me an annual reminder when my filters are due, they keep records so I get the right filters at the right time.
Support is unparalleled. I get help when I need by phone and in the event of something going wrong, Great Water Filters had a representative from WA to help resolve the issue in one visit.
Phone support, ordering additional filters (for showers), and response times are excellent. I recommend them highly!”
Peter H.27 August 2024
“Quality finishes, water and customer service. From meeting Paul at the Home Expo, to engaging with Levon to help plan and work through all our queries and ultimately to Shannon implementing the system we're delighted with the result and enjoying the filtered water at every tap point in our home...and without loss of pressure. Thanks Great Water Team!”
Yianni S.27 August 2024
“Fantastic experience from start to finish. No pushy sales like the other company we enquired with. We kind of knew what we wanted, and any questions we had were answered honestly and concisely. We’re loving having filtered water throughout the whole house with no noticeable water pressure loss. Thanks for being such a wonderful company to deal with. I have already recommended the whole home filtration system to several of our family and friends”
Christie K.27 August 2024
“Very happy with the quality of the product and the service. We have gone from having dirty, hard water (awful town supply!) to clean water that feels soft after the installation of a whole-house filter. The whole process was quick, taking less than a week from my first approach to Great Water to the filter being installed. The plumber assigned was friendly and professional. A very small amount of seepage we had after installation was fixed within a day after one text message to Great Water. While the price may put some off, we see it as a saving on the jug filters we no longer need to buy, and on the damage the old hard water used to do to the bathroom, kitchen and cars. I would definitely recommend Great Water's household filter system.”
Paul27 August 2024
Compare Reverse Osmosis System
Compare The Market

Comparing The Two Systems

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Other Reverse Osmosis Systems
FEATURES
Great Water ES5Q + ES3
Other Reverse Osmosis Systems
Lead-free European Tap
Built-in Pressure Gauge
pH7+ Balanced Water
Simple Quick Change Cartridges
Returns Essential Minerals
Sanitary Safe
LIVING WELLNESS WATER

World's Most Advanced Whole House Filter

Pure Water in Every Tap in your Home. Revitalise your health & home with pure, filtered water through every tap with our whole house water filter range.

Our Whole House Water Filtration Systems are designed to deliver clean, safe, and healthy water to every tap in your home — protecting your family from chlorine, odour, bacteria, viruses, chemicals, and impurities. Your home deserves more than just filtered drinking water. With purified water flowing through every pipe, you’re not only safeguarding your health but also preserving your appliances and enhancing your entire lifestyle.

Here’s why families across Australia trust us:

✅ Beautiful Design & Smart Door Access
✅ Built in SS Bypass
✅ Intuitive Notification Gauges
✅ Quality 316 Marine Grade Stainless Steel
✅ Filtration up to 1 micron

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The Latest in Alkaline Water Filtration Technology

Specialty Taps for Reverse Osmosis Water Filters

Upgrade your Reverse Osmosis water filter system with a premium specialty tap, designed for both performance and style. Engineered to deliver purified water directly from your RO unit, these taps ensure your family always has access to clean, safe drinking water at the turn of a handle.

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Undersink Water Filters BG

speciality Taps

Reverse Osmosis & Alkaline Water Filtration Systems
Our water filter systems remove contaminants, add healthy minerals and balance pH to 7+. Designed for quick cartridge replacement and trusted in homes, offices and workplaces throughout Australia and New Zealand.
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Lead-Free Stainless Steel
European-style tap made from lead-free stainless steel for safe, pure drinking water.
Stylish Finishes
Available in brushed nickel, polished chrome, and matte black to complement any kitchen design.
Durable Construction
Resistant to corrosion and tarnishing for long-lasting reliability.
Easy Installation
Compatible with most RO systems, designed for quick and simple integration under your sink.

GUIDES

Specification
Dimensions (Filter Unit) - 33cm (W) x 8cm (D) x 33cm (H)
Flow Rate - 3 Litres Per Minute
Weight - 3.5kg
Tap Drill Hole Diameter - 12mm
Cartridge Life - 10-12 Months
Cartridges are made from high quality, natural materials, and are clinically tested.
What's in the box?

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Download Brochure
Installation
Cartridge Change
Troubleshooting

FAQs

What is included in the ES5Q Wellness + ES3 Reverse Osmosis package?
This package combines the best whole house water filter (ES5Q Wellness) with the best under-sink reverse osmosis system (ES3), giving you complete home water filtration — from mineral-enriched water throughout your home to ultra-pure drinking water at your tap.
How does the ES5Q Wellness system work?
The ES5Q Wellness Whole House Filter is one of the best whole house water filters in Australia, using multi-stage filtration with activated carbon, volcanic minerals, and auto-flush technology. It removes chlorine, sediment, and contaminants while naturally enriching water for softer skin, healthier hair, and great-tasting water.
What makes the ES3 Reverse Osmosis system different? The ES3 Reverse Osmosis system is considered the best drinking water filter under the sink, purifying water down to 0.0001 microns. It removes up to 99% of impurities — including fluoride, heavy metals, and bacteria — while re-mineralising water for crisp, healthy drinking water.
Is the ES5Q Wellness + ES3 RO system suitable for Australian homes?
Yes. Both systems are engineered for Australian conditions and are among the best water filtration systems for homes, with UV-resistant housings and marine-grade stainless steel construction for long-term durability.
Does the ES3 Reverse Osmosis remove fluoride? Yes. The ES3 is one of the best fluoride water filters available, removing fluoride, chlorine, lead, and other contaminants to deliver ultra-pure drinking water.
Will the ES5Q Wellness system reduce water pressure? No. This best whole house water filter is designed with high-flow valves and large-capacity cartridges to maintain optimal water pressure across your entire home.
Why choose the ES5Q Wellness + ES3 RO over standard filters? This dual-system package is one of the best water filtration solutions available. It combines whole-home protection with advanced reverse osmosis purification, giving you both mineral-rich water everywhere and ultra-pure drinking water at your tap.
Why is the ES5Q Wellness + ES3 package considered the best water filtration system? This dual-system setup combines the best whole house water filter (ES5Q Wellness) and the best under-sink reverse osmosis system (ES3). It delivers mineral-rich water throughout your home and ultra-pure drinking water, giving you unmatched protection, taste, and wellness benefits.
What’s the best whole house water filter in Australia? Under Sink Water Filter
NEWS & ARTICLES

WHAT'S THE BEST PH WATER TO DRINK?

If you’re concerned about the quality of your water and want to ensure you and your loved ones are drinking the best, understanding water pH is crucial.
Great Water Filters Scheduled Events 2025/6
19-21 September

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BRISBANE

Brisbane Convention & Exhibition Centre

Explore our range today and experience the benefits of clean, safe, and healthy water.

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10-12 October 2025

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SYDNEY

International Convention Centre Sydney

Show stand: A25

Explore our range today and experience the benefits of clean, safe, and healthy water.

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17-19 April 2026

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MELBOURNE

Melbourne Convention & Exhibition Centre

Show stand: A05

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5-7 June 2026

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PERTH

Perth Convention & Exhibition Centre

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Upgrade to the Best Water Filtration for Your Home Today

Experience the full benefits of a whole house reverse osmosis system paired with natural mineral wellness. The ES5Q Wellness Whole House Filter and ES3 Reverse Osmosis System deliver pure, enriched water at every tap and ultra-pure drinking water straight from your kitchen.

Special Offer Only $4,995
Includes free professional installation and long-term care support.
Call now to secure your whole-home water upgrade and start enjoying clean, healthy water today.