• Under Sink Reverse Osmosis System 4 Stage
  • Under Sink Reverse Osmosis System 4 Stage Component Diagram

Under Sink Reverse Osmosis System – 4 Stage

Our 4 stage under sink reverse osmosis system provide the best in class RO water filtration.  Our RO systems are NSF certified and have the relevant Australian Watermark certificates for drinking water treatment which means you can be assured that these under sink RO filters are tested against the most stringent standards.

Our under sink RO systems are made from very high quality components and the filters are all manufactured in the USA.  These under sink reverse osmosis systems include quick change cartridges, delivering excellent purified water and an effortless method to change your RO filters when required.  If you’re looking for an outstanding and reliable fluoride filter it’s hard to beat these RO systems.

  • Sediment Pre-Filter (Made in USA) – Mechanical filtration removes fine sediment particles.
  • Carbon Pre-Filter (Made in USA) – Removes chlorine, pesticides, heavy metals and other organic pollutants.
  • Ultrafine TFC RO Membrane (Made in USA) – Screens to 0.0005 micron, filtering viruses, bacteria and parasites.  Also removes Fluoride and Hydrocarbons.
  • Coconut Carbon Post-Filter (Made in USA)- The final polishing filter that delivers outstanding, clean, purified water.
  • RO System includes 10 litre storage to enable you to dispense your filtered water on demand.
  • This installation of this under sink RO system requires basic plumbing skills and drilling a hole in order to mount of the filtered water tap.
  • Maximum flow rate of 3 litres per minute.
  • Max filter output of approximately 200 litres per day (@60psi 25ºC).
  • Micron Rating: 0.0005 micron
  • RO Filter system dimensions 320W x 420H x 110D mm.
  • 10 litre tank Dimensions 317W x 203D mm.
  • 5 year warranty.

Replacement filter details can be found here.

Choose the tap for your under sink water filter

Spring Loaded Black Lever $0.00 Mode with high Loop $0.00 Retro with High Loop $0.00 Euro with High Loop $0.00 Euro with Long Reach $0.00 Metro with High Loop $0.00 Antique with High Loop $0.00 Fin with Long Reach $0.00

$995.00 inc. GST


Under Sink Reverse Osmosis Water Filter 4 Stage Component Diagram

4 Stage Under Sink RO Filter Components

  • 1 – Sediment Pre-Filter (Made in USA)
  • 2 – Carbon Pre-Filter (Made in USA)
  • 3 – RO Membrane (Made in USA)
  • 4 – Carbon Post-Filter (Made in USA)
  • A – Feed Water Valve
  • B – Stem Elbow
  • C – Inline Flow Restrictor
  • D – Storage Tank Tap
  • E -Pure Water Storage Tank
  • E -Pure Water Faucet

Certified Countertop Water Filtration

This system meets the WaterMark specification AS/NZS 3497:1998 Amdt 1 2001 Drinking water treatment unit – Plumbing requirements.
Certificate Number 23124.

WaterMark Certification
NSF Certification

Replacement Filter Cartridges for
4 Stage Under Sink Reverse Osmosis System

1st Stage Omnipure Sediment Pre Filter Block

The system requires 1 of these cartridges to be replaced every 6-12 months.

2nd & 4th Stage Omnipure GAC Carbon Filter

The system requires 2 of these cartridges to be replaced every 12 months.

3rd Stage Omnipure Reverse Osmosis Replacement Membrane

The system requires 1 these cartridges to be replaced every 3-6 years dependent on water quality.

Additional information

Weight3 kg
Dimensions370 × 370 × 420 cm


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