The Lee Master Location Filter Pack - 36 Sheets (10 x 12") contains a large variety of 10 x 12" color correction, effect, and light shaping tools to provide the control you need to master any lighting condition. For example, it contains a selection of CTOs and CTBs (Full, 1/4, 1/2), Diffusion (Full, 1/4, 1/2), 0.6 (2-stop) Neutral Density, Fluorescent Correction Filters, Primary Red, Congo Blue and Jazz Green - to name a few.