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2. Corsi–Rosenthal Box - Wikipedia

   en.wikipedia.org/wiki/Corsi–Rosenthal_Box

   An example of a homemade unit. The Corsi–Rosenthal Box is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four [1] or five [2] [3] HVAC particulate air filters that form a cube and a box fan to draw air through the filters.

3. Air purifier - Wikipedia

   en.wikipedia.org/wiki/Air_purifier

   An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

4. GPS Air - Wikipedia

   en.wikipedia.org/wiki/GPS_Air

   Among others, one of the room mounted air purifiers made by GPS Air includes the GPS-FC24-AC that can be wall mounted in multiple small cassettes or to existing HVAC equipment. [18] An additional device sold by the company is a "plasma generator" aimed at reducing the amount of microorganisms, including mold and allergens, in the air to prevent ...

5. Thousands of space heaters sold on Amazon recalled for ...

   www.aol.com/thousands-space-heaters-sold-amazon...

   A space heater sold on Amazon is being recalled due to the potential to cause an "electric shock," resulting in a fire hazard, the U.S. Consumer Product Safety Commission (CPSC) announced Thursday ...

6. Frozen frenzy: Nearly nonstop winter storms to hit the same ...

   www.aol.com/frozen-frenzy-nearly-nonstop-winter...

   The jet stream, essentially a river of air in the atmosphere that storms flow through, is locked in an almost perfect line from west to east, and will funnel storms across the northern tier of the ...

7. US budget deficit climbs to $367 billion in November on ... - AOL

   www.aol.com/news/us-budget-deficit-jumps-367...

   WASHINGTON (Reuters) -The U.S. government posted a $367 billion budget deficit for November, up 17% from a year earlier, as calendar adjustments for benefit payments boosted outlays by some $80 ...