da-lite model c hdtv format manual wall and ceiling screen 78 x 139 159 diagonal silver matte surface
ideal for large size conference or training rooms . permanently lubricated steel ball bearings combined with nylon bushings and heavy-duty spring assembly offers smooth operation even in demanding applications . optional floating mounting brackets allow the model c to be mounted onto wall or ceiling studs and aligned left or right after installation by releasing two sets of screws . matte white fabric up to and including 10 high will be seamless . silver matte a uniquely designed screen surface with a specifically designed silver finish . this surface is perfect for situations where a silver surface is necessary for apolarized 3-d projection . the matte finish of this surface successfully rejects ambient light . screen surface can be cleaned with mild soap and water . flame retardant and mildew resistant . viewing angle 30 gain 1 .