Designed for use with the nikon sb 900 speedlight this set consists of a range of 8 coloured filters 20 in total for both colour balance under artificial lighting and special effectskit contents fl g1 fluorescent filter x 2 fl g2 fluorescent filter x 2 tn a1 tungsten filter x 2 tn a2 tungsten filter x 2 blue filter x 4 yellow filter x 2 red filter x 4 amber filter x 2 storage pouch x 1