Classic Xl-15 Alpine Ecoquest Living Fresh Air Purifier Quickly and effectively removes smoke from the air, including tobacco smoke Acts as a powerful deodorizer to reduce or eliminate the toughest odors Quiet operation for a non-intrusive solution Low maintenance requiring no filters (uses a lint screen to help keep the interior of the unit free of dust and dirt and optional filtration is available) Reproduces the clean, fresh scent of a thunderstorm