A.O. Smith Pure&Sure 329843-000_R0 User Manual page 8

Stage 3 – Pre Carbon filter

The Pre Carbon filter uses carbon block with high adsorbtion capacity which reduces
harmful chemicals including pesticides, volatile organic compounds, residual chlorine
etc, from water. It also adsorbs bad taste and odour causing organic compounds
from water.
Stage 4 – RO (Reverse Osmosis) membrane

RO membrane contains semi-permeable membrane wherein the water is passed
through the semi-permeable membrane to remove TDS (Total Dissolved Solids) and
heavy metals like Mercury, Arsenic, Copper, Lead etc. It also removes microorganisms
like bacteria, virus, protozoa and cysts.
Stage 5 – MIN-TECH (Mineraliser Technology)

The MIN-TECH contains Calcium and Magnesium minerals which helps to improve
the taste and quality of water. It adds the required essential minerals back to water
and balances the pH of water.
Stage 6 – Silver Activated Post Carbon

Water is passed through Silver Activated Post Carbon filter which acts as polisher and
enhances the taste of water.
Stage 7 – SCMT filter (Silver Charged Membrane Technology)

In the final stage water is passed through SCMT filter which ensures double
purification of water making it Pure & Sure for drinking.
Figure 1
Ball valve
Note: The Pre-filter and the Ball Valve comes along with the product as standard accessories.
Pre-filter
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