For use on b1 and b2 heads only a set of twenty pre cut and labelled colour effects gels for use with the profoto b1 and b2 off camera flash the pack includes the following 20 gels 2x rose pink 2x gold amber 2x light lavender 2x just blue 2x deep straw 2x chrome orange 2x scarlet 2x peacock blue 2x magenta and 2x yellow