The 253620SA Onyx 31.8 x 56.5" from Da-Lite is a permanently tensioned fixed-frame projection screen designed to be assembled in about 10 minutes The 4" wide beveled, extruded aluminum frame interconnects on site.
There are no snaps - a uniform tension is applied to the entire surface area to keep the screen perfectly flat
Fabric retention system enables you to adjust the surface tension up to 1.5", both vertically and horizontally in increments of approximately 3/8"
ClearSound White Weave XT900E Screen Surface
Reflects uniform image over full 180° field while maintaining full acoustical transparency. Some control of ambient light is recommended. Flame and mildew resistant. Not recommended for use in sizes less than 80" wide
Veltex Frame Covering
This model features a velvety Veltex material covering the standard black frame. This covering is designed to virtually eliminate all reflections on the frame