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Tap all that apply. There are no wrong answers.
A rough sense is fine.
Whatever's true.
A standard pleated filter handles these.
These settle into the filter media and stay there.
These are vapors, not particles. They pass straight through any filter that has no carbon in it.
The EPA reports indoor VOC levels run consistently higher than outdoors — up to about ten times higher. EPA: Volatile Organic Compounds' Impact on Indoor Air Quality
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Get on the listThis is a map of what's in your air, not a measurement of it. Nothing short of a lab test can give you a number, and anyone who offers you one online is guessing. The items marked "common to most homes" are ones we added, not ones you told us about.