Rosco #3202 Full Blue CTB Color Conversion Gel Filter, 20x24" Sheet

The Rosco Full Blue CTB Color Conversion Gel Filter is traditionally used to convert tungsten lighting to daylight. The CTB (Color Temperature Blue) filter is available in a full spectrum of degrees (strengths) which, depending on your needs, can be used to either raise the temperature of your lighting or used to create different lighting interpretations.