What should consider if buy air purifier?

When researching which air purifier to purchase,
consider if you would like an air purifier with a shut-off timer or other features,
such as technology that sensors air pollutants in the air, a filter life indicator, or a UV light.
Air cleaner effectiveness varies from model to model,
removing different amounts of airborne particles from your air.
The placement of your air purifier will make a difference in its effectiveness.
Before you purchase, decide where you will place your unit
and make sure the square footage of the space can be covered by the anion air purifier.
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