Dracast Barndoors for Fresnel 1000, 2000, 3000, and 5000 Overview4 Way Barndoors from Dracast are compatible with the Dracast Fresnel 1000, 2000, 3000, and 5000 models. They are used to shape and  control the spread of light and prevent unwanted light spill.In the BoxDracast Barndoors for Fresnel 1000, 2000, 3000, and 5000 modelsLimited 1-Year Warranty