Protect your family with pure water for drinking, bathing, and appliances.
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
01
Choose your Package
Sit back and relax with our easy turnkey solution. Flexible payment options make it simple.
02
Frozen Price Guarantee
Enjoy peace of mind with our no-fit-no-fee guarantee. Frozen price includes full installation.
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
TOUCH
Free No-Charge
Installation on New Systems*
Installation on New Systems*
Free No-Charge
Installation on New Systems*
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.
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
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.
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Next-Gen Dual Filtration
The ES5Q Wellness and ES3 Reverse Osmosis systems work together to purify every drop from your main line to your kitchen tap.
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Whole-Home Wellness Water
ES5Q delivers mineral-enriched, chlorine-free water to every outlet, protecting your family and appliances.
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Ultra-Pure Drinking Water
ES3 filters down to 0.0001 microns, removing up to 99% of impurities for clean, crisp, and refreshing drinking water.
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.
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Built to Last
Crafted with marine-grade 316 stainless steel for maximum durability and corrosion resistance.
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Effortless Maintenance
Smart pressure gauges, bypass valves, and easy-access panels make servicing simple and fast.
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Wellness in Every Drop
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 — 5 Micron Sediment FilterEffective in removing dirt, rust and sand particles.
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 — 0.2 Micron KDF + Coconut Shell Carbon FilterRemoves heavy metals & bacteria
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.
The Alkaline filter simply returns minerals such as ionized calcium, magnesium, sodium, potassium ions, which were taken away while purifying the water.
GALLERY
Alkaline Water Filter Installation
ES3 Installed
ES3 Sink
3-way mixer installed
ES3 Mounted under sink
ES3 mounted
ES3 flushing valve OFF position
Why Great Water Filters Australia?
Years of Business
Compare The Market
Comparing The Two 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
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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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.
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.
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?
Great Water Filters Scheduled Events 2025/6
- SEPTEMBER
- OCTOBER
- APRIL
- JUNE
19-21 September
BRISBANE
Brisbane Convention & Exhibition Centre
Explore our range today and experience the benefits of clean, safe, and healthy water.
10-12 October 2025
SYDNEY
International Convention Centre Sydney
Show stand: A25
Explore our range today and experience the benefits of clean, safe, and healthy water.
17-19 April 2026
MELBOURNE
Melbourne Convention & Exhibition Centre
Show stand: A05
Explore our range today and experience the benefits of clean, safe, and healthy water.
5-7 June 2026
PERTH
Perth Convention & Exhibition Centre
Explore our range today and experience the benefits of clean, safe, and healthy water.