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. Contains practically everything you need to handle any lighting situation. CTO to convert daylight to tungsten, CTB to convert tungsten to daylight, greens to match fluorescent tubes and a wide variety of effects filters to add colour to backgrounds and accent lights. Plus our most popular diffusions, scrim and black foil.