The Smokeless Ashtray uses innovative Japanese technology patent design andstyle. It has a built-in fan, which literally draws in the smoke through twonon-reusable carbon filtration system. It eliminates odors by passing allfumes and smoke through an active charcoal filter. Its unique design andcompact powerful motor allow for maximum smoke to be consumed and is deadlyquiet. The Smokeless Ashtray is designed to be easily disassemble andreassemble for quick and easy installation of batteries and filters located atthe rim of the unit. This Ashtray requires Two 'C' batteries. ('UM-2' 'C'Battery) Not Included. Is perfect for eliminating 2nd hand smoke and stenchout of the fresh air, home furniture, office environment, clothes, pets, andnon-smokers!