HEPA: Buy either a hepa filter for your air exchanger or get a module installed to filter the air. The alternative is to buy a standalone air purifier that uses a hepa filter to filter out some (can't do all) of the toxins and allergens in the air.
Answered 9/3/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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