 | 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. 204" Diagonal, Aspect Ratio: 1:1, Screen Gain: 2.5, Glass Beaded Surface, Angle of View: 60°, 144" x 144" Viewing Area Number of Reviews: 0 | Ratings:  | Best deal: $199
$199 - $278 from 3 stores. |