Water purifier with Pre-filter clean the water

Some water purifier without pre-filter then use it. Does it is really can clean the water?
You can use it but should let the water boiling before you drink.
But water ionizer with pre-filter you can drink both cold water and hot water.
Give you and your full family a health life from water first.


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reprinted: http://homehealthywater.com/health-care-knowledge/1694.html