da-lite high contrast matte white model b manual screen - 60 x 60 av format
dl6635 features 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 . pull cord included . screen material high contrast matte white designed for moderate output dlp and lcd projectors . this screen surface is a great choice when video images are the main source of information being projected and where ambient light is moderately controlled . with its specially designed gray base material and reflective top surface this screen material is able to provide very good black levels without sacrificing the white level output . flame retardant and mildew resistant . viewing angle 50 gain 1.1