Why we love these Gels? 
These are amazing Tungsten/Daylight conversion gels.  These Colour Rite Tungsten/Daylight Conversion Gel Filters 12 x 12" (30 x 30 cm) include 12 consistently accurate, premium quality filters, made specifically for theatrical, motion picture, television and still photographic applications.
1 each of: Full C.T. Blue, 1/2 C.T. Blue, 1/4 C.T. Blue, 1/8 C.T. Blue, Blue Diffusion, Blue Frost, Full C.T. Orange, 1/2 C.T. Orange, 1/4 C.T. Orange, 1/8 C.T. Orange, Full C.T. Orange + .3ND, and Full C.T. Orange + .6ND