Perfect for classroom and meeting room facilities. Easy pull-down system locks at intervals to fit a variety of projection formats. Nylon bearings provide smooth quiet operation for the life of the screen. Case design allows for hanging from a ceiling or flush mounting to a wall. Matte White, High Contrast Matte White, Glass Beaded, Video Spectra 1.5 and Silver Matte fabrics will be seamless in all sizes. High Power fabric up to and including 6" high will be seamless. Da-Lite"s wide selection of manual wall and ceiling screens gives the presenter a professional solution for any projection application or situation. All screens incorporate Da-Lite"s exclusive Camlok roller system that prevents the screen from being accidentally pulled from the roller. All screens come with black masking borders as standard. High Power: A technological breakthrough, combines the reflectivity of a glass beaded surface with the ability to clean the surface when required. Its smooth surface offers the highest gain of all types of screen surfaces with moderate viewing angle. Screen surface can be cleaned with mild soap and water. Flame retardant and mildew resistant