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" &amp;amp;gt; HALO UV-ST UPRIGHT $499 /// gethalo.comThe Claim: A built-in ultraviolet light acts like a death ray for bacteria, instantly wiping out 99.99 percent of microbes. The Reality: After running the ultraviolet light over an E. coli-contaminated surface, it still tested positive for microbes in a lab. The likely reason: The light only works on what it hits, so tiny shadows under carpet lint can serve as sanctuary for bacteria.  &amp;amp;gt; DYSON DC16 ANIMAL HANDHELD $200 /// dyson.comThe Claim: A motorized brush dislodges and sucks up hard-to-catch pet hair--keeping animal lovers with allergies happy. The Reality: Pit-bull hair that had proved impervious to suction gave way with ease, filling the bagless chamber with a satisfying flurry of strands. Still, the head and chamber are tiny, and battery life is brief, so it&amp;#039;s best left for limited cleanups.  &amp;amp;gt; ORECK XL ULTRA UPRIGHT $500 /// oreck.comThe Claim: An activated charcoal filter snuffs out odors, leaving your floor and air smelling fresh. The Reality: We poured a cup of nose-turning cigarette ash on a carpet. After a quick cleanup, most of the odor was gone. In fact, we had to rub our noses directly against the floor to pick up traces of the stench. (Yes, our test team is extremely thorough.) Another winner!   "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.popularmechanics.com/technology/gadgets/reviews/a2499/4244369/>