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Stage 1  – 5 micron – sediment filter

Stage 2 – 1 micron Granular activated carbon

Stage 3 – 0.5 micron Granular activated carbon

Stage 4 – 0.0001 micron Reverse Osmosis Element

Stage 5 – Inline Post Carbon filter.

Stage 6 – Alkaline mineralisation filter.


Production: 50 GPD / 189 LPD

Water storage tank: 12 litres

Operation pressure: 40 -100 psi

Dimensions: (cm)27 (L) x 39.8(H)  x 22.5 (W)


The Omega series 5 is a Reverse osmosis unit.

Reverse Osmosis is the finest filtration available today. It is effective in eliminating or substantially reducing a very wide array of contaminants, and of all technologies used to treat drinking water in residential applications, it has the greatest range of contaminant removal. Reverse osmosis will allow the removal of particles as small as individual ions. The pores in a reverse osmosis membrane have a range up to approximately 0.0001 micron in size (bacteria are 0.2 to 1 micron & viruses are 0.02 to 0.4 microns).

It works on the principle that the water molecule is smaller than most impurities such as solvents, minerals, bacteria and other solids.

The intake liquid is passed through a series of filters until the final stage where the filter is so fine that only pure H2O molecules under great pressure pass through to be collected and stored in a container for consumption.

This units’ final stage also has our quality Alkaline filter which boosts the Ph value of the water up to 9.5 by adding minerals such as ionised Calcium, Magnesium, Sodium, and Potassium ion.

Click here to see the Estimated Percent Rejection of Various Solutes by Membranes used in Reverse Osmosis