Keep the smoke out of the airThis is truly the highest quality, most effective smokeless ashtray. It uses an advanced Japanese design, which draws the smoke through two replaceable carbon filters located inside the ashtray. It's super quiet, and eliminates the smoke, smell, and ash dust.If you smoke, live with someone who smokes, or smoke and live with someone who doesn't smoke, this is a must have. Keep the smoke out of the air, off furniture, clothes, pets, your own face, and other people. Features:  Super quiet operation  Tilted grooves on all 4 sides, one large and 6 small to fit cigars and cigarettes  8 Auto-extinguishers  Comes complete with a set of activated carbon charcoal filters, which will last for more than 40 days Easy to clean, Top lifts right off (See diagram)  Powered by 2 C Batteries (not included)