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Air filter HEPA with or without carbon?

Dec 13, 2010 by g | Posted in Respiratory Diseases

I'm looking at two very similar Sharp air purifier models, one has a HEPA filter only, the other has a HEPA plus activated carbon filter, washable and useable up to two years but it is 100usd more. Both use plasmacluster ion technology.

Is

The carbon filter will reduce the amount of ozone produced slightly. It will be worth the extra money.

Does it have a timer? Can you turn it on, and know that it will turn itself off, and allow ozone levels to decrease to lower levels

Sharp Plasmacluster Air Purifiers

A look at Sharp's revolutionary Plasmacluster technology which has been proven to be effective against suspended viruses and microbes that ...

Sharp Plasmacluster Air Purifier

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