A box containing 100 rizla + filters. these regular filters have a larger diameter 8mm than the regular ocb they are among the largest filters on the market. . mark . rizla + . colors . white filters. form . cylindrical filters. specificities . rizla + regular filters x1 box: . . 100 filters. regular size therefore bigger than the slim ones. . . dimensions. rizla + regular filter: diameter x thickness (mm) 8 x 15 mm .