David ross filters for slim x 4 boxes reduce harmful agents from your slim cigarette with this disposable david ross filter. easy to use you just have to add the filter to the end of your cigarette to reduce the absorption of nicotine and tar! filters compatible with thin cigarettes: diameter of the cigarette 5/6 mm lot of 4 boxes of 10 filters each. . mark . david ross. colors . transparent and red filter. matter . plastic. specificities . david ross filters for slim x 4 boxes: . . reduce nicotine and tar levels. filter compatible with slim cigarettes (vogue type). 1 box = 10 filters. 1 filter allows you to smoke approximately 5 cigarettes (use the filter until the red mark is covered). . dimensions. filter: diameter x length (cm) 0.5/0.6 x 2.5 cm.