A reusable carbon filter built-in to the Vaporizer™ Ashtray pulls in smoke helping eliminate odors as well as harmful second hand smoke. Conveniently placed notches around the rim hold cigarettes, cigars and cigarillos. The Vaporizer™ Electric Smokeless Ashtray is battery operated, so you can use it anywhere around your house. Requires 2 C batteries, (not included).