Projection Screen - Floor Pull Up Portable Projector Screen 4:3/16:9/16:10 HD Retractable Projection Screen Manual Projection Screen, for Home Theater School Meeting Room (80 inch 16:9) : Amazon.ca: Electronics
The UST ALR Laser Projector Screen • 80" & 100"
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What is ALR? Da-Lite Explains...
ALR Screen | Ambient Light Rejecting Screen | Pro Display