6-Stage Extreme Low Waste Reverse Osmosis System – Premium Water Filtration
After extensive testing, this is our most advanced RO system — engineered to tackle water wastage without compromising purity. A genuine DOW FilmTec BW30-1812-75 membrane pairs with an Aquatec permeate pump, twin pressure gauges, chloramine-rated pre-treatment, membrane flush, and a remineraliser for smooth taste — all tuned for an extreme low waste ratio.
Why Choose This System?
- Extreme Low Waste Ratio — approx. 0.6 L waste per 1 L produced (conditions dependent).
- Aquatec permeate pump — boosts membrane efficiency, reduces TDS creep, improves tank pressure; great in low-pressure areas.
- Twin pressure gauges — easily monitor cartridge condition and system pressure.
- Chloramine removal cartridge — handles ~3,800 L chloramine & ~45,000 L chlorine.
- Handheld TDS meter — verify membrane performance and water quality.
- Membrane flushing valve — simplifies maintenance and extends membrane life.
- Remineraliser — corrects pH and adds essential minerals for taste and balance.
- High output — ~200 L/day @ 40 psi; over 500 L/day @ 90 psi.
- 3-year pro-rata membrane warranty — because low-waste configs work membranes harder.
6-Stage Filtration Process
- Stage 1 — 5 µm polyspun sediment
- Stage 2 — 1 µm sediment
- Stage 3 — Matrikx CTO chloramine removal cartridge
- Stage 4 — DOW FilmTec BW30-1812-75 TFC membrane (U.S. made)
- Stage 5 — Omnipure K2548 remineraliser
- Stage 6 — Omnipure CL10RO-T40 coconut carbon post-filter
Important Notes
- TDS limit — suited to water < 500 ppm TDS (ideal for metro supplies incl. Adelaide, Perth, Brisbane, Sydney, Melbourne). Not suited to bore water.
- Minimum pressure — 40 psi (280 kPa). Optimal ~50 psi (350 kPa) or higher.
- Sound note — the permeate pump “clicks” about every 3s while filling. Frequency reduces as the tank pressurises.
System Specifications
- Main unit size — 49 cm (W) × 42 cm (H) × 14 cm (D).
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Tank options:
- 4.2 L — 33 cm (H) × 20.5 cm ⌀
- 9 L — 39 cm (H) × 24 cm ⌀
- 12 L — 39 cm (H) × 27.5 cm ⌀
- Optional faucets — browse options.
Premium Build & Compliance
- QMP-300-HP housings (USA) — 10″ NSF certified; burst strength ~575 psi (≈4000 kPa); tested to AS3497.
- Pressure limiting valve — 550 kPa PLV with dual checks (WaterMark AS1357-2, lic 23133) — meets plumbing code.
- Supplied complete — ready to install out of the box.
Connection Types
- ½″ Flick-Mixer Braided Line — most common in modern kitchens. Fit the supplied adapter with the rubber washer, then re-attach the braided hose. Details/Instructions
- ¾″ Dishwasher Adapter — use the dishwasher cold-water outlet where available. Details/Instructions
- ½″ Tee Olive Fitting (Copper) — typical for older homes with separate taps. Details/Instructions
Replacement Cartridges & Maintenance
- Annual change — 2× polyspun, 1× Matrikx CTO, 1× CL10RO-T40. Full set
- Remineraliser (~2 years) — second-year set incl. remineraliser
- Membrane (~4 years) — TW30/BW60 1812-75
- Membrane care — use the flush valve periodically to clear deposits and extend life.
Performance Data
The system demonstrates high contaminant reduction across both inorganic and organic compounds:
Inorganic
- Aluminum 99%
- Arsenic 98%
- Alum 95%
- Cadmium 95%
- Calcium 98%
- Chromium III 98%
- Copper 90%
- Fluoride 98%
- Iron 98%
- Lead 90%
- Magnesium 98%
- Manganese 90%
- Mercury II 85%
- Nitrate 90%
- Potassium 95%
- Selenium 95%
- Silver 98%
- Sodium 95%
- Strontium 90%
- Sulfate 90%
- Zinc 98%
- Total Dissolved Solids 95%
- Asbestos 99%
Organic
- Chlorine 98%+
- Herbicides 98%+
- Pesticides 98%+
- DDT 98%+
- Endrin 90%+
- Lindane 98%+
- Aldrin 98%+
- Benzene 98%+
- VOCs 98%+
- Atrazine 98%+
- Fluoranthene 98%+
- Phenol 98%+
- Trihalomethanes 98%+
- Toxaphene 98%+
- Dichloromethane 98%+
- Chloroform 98%+
- Trichloroethylene 98%+
- Perchloroethylene 98%+
- Tannic Acid 98%+
- Methoxychlor 98%+
- PCB 98%+
Actual performance varies with source water, pressure, temperature, and maintenance.
Performance Data Sheets
- Membrane — DATA SHEET
- Sediment — DATA SHEET
- Post Carbon (Omnipure) — DATA SHEET
- Remineraliser (Calcite) — DATA SHEET
- CTO Pre Carbon Filter — DATA SHEET
Helpful Resources
- Tank data sheet — download
- Tank details page — sizes & options
- Substance treatment rates (PDF) — full list
Warranty
Includes a 5-year warranty on components and a 3-year pro-rata membrane warranty. Built with high-quality parts and designed for long-term reliability, safety, and performance.