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![](https://files.manualsfile.com/69431249-ph100/bg7.png)
iSpring Water Systems Page 4
5-Stage RO System Filtration Process
Stage
Description
Service Life
1
st
stage
Sediment Pre-filter
6 months
2
nd
stage
GAC Pre-filter
6 months
3
rd
stage
Carbon Block Pre-filter
6 months
4
th
stage
RO Membrane
24-36 months
5
th
stage
Polishing Inline Filter
6-12 months
Feed Water
(Tap Water)
Flow Direction
(Feed Water In)
1
st
2
nd
3
rd
Auto Shut-Off Valve
Pressure Tank
4th
5th
Faucet
Wastewater
(To Drain)
Flow
Restrictor
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