Pollen-free indoor air is nothing to sneeze at

Pollen is one of the most common allergens in the world and people who are hypersensitive to pollen can suffer from seasonal allergic rhinitis or extrinsic asthma. The amount of pollen allergens in the atmosphere - from common sources like weeds, grasses and trees - will depend on the season and world region. Posted via Industry Today. Are you into it?

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