Most American houses harbor significant amounts of at least five allergy-provoking irritants. Got a sufferer under your roof? A good HEPA vacuum cleaner, the ideal choice for those with allergies, sucks up dust, pet dander, and tracked-in pollen from bare floors, rugs, and carpeting and prevents trapped particles from escaping back into the air. These upright and canister vacuum cleaners, tested by the Good Housekeeping Research Institute, can help clear the air.
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http://www.goodhousekeeping.com/product-reviews/appliances/vacuum-cleaner-reviews/