Deep Dyed Polyester Color Filters
Select your gels like the Pros with the GamColor Swatchbook. Each comes with hundreds of gel samples including: Corrections, Diffusions, Reflectors and Colors in a 1.5"x 4" size. Hold the particular gel up to the light and stop guessing at what the actual gel packs and single filters look like.
S&H from $6.99 in continental US (e-mail for international / offshore USA rates)