For about the last 10 years, I've had my ashtray next to this machine...and it vacuums the cigarette smoke. I figured out that it only costs about 5cents a day !! Easy to clean and I change carbon filters about every 3 months.

04531GMC True Air® Plug-Mount® Odor Eliminator with Night Light:

• Small and discreet design plugs directly into wall outlet
• Includes one OdorSmart™ all-purpose carbon filter
• Filter lasts up to 120 days
• Replacement filters available for tobacco, pet and all-purpose use
• Unique styled louvered door