SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY SUSUMU NISHINAGA / SCIENCE PHOTO LIBRARY
Cigarette filter. Coloured scanning electron micrograph (SEM) of the filter of a cigarette. This filter contains acetate fibres (brown) and grains of charcoal (grey). These help to remove toxic chemicals and unpleasant odours from the cigarette smoke. Magnification: x35 at 6x7cm size.
Model release not required. Property release not required.