Da-Lite 21821FL Tensioned Advantage Series 121x216 Surface / Roller / Motor 100713696 Lumens (w/25°–50° lens)(Narrow): 21

Lumens (w/25°–50° lens)(Narrow): 21

Gain setting: Automatic

Protection class: Front side: IP54

strong and corrosion resistant

Da-Lite 21821FL Tensioned Advantage Series 121x216 Surface / Roller / Motor 100713696 Lumens (w/25°–50° lens)(Narrow): 21Da Lite 21821FL Tensioned Advantage Series 121x216 Surface Roller Motor The Da Lite Tensioned Advantage ceiling recessed electric screen series is designed with a ceiling trim that conceals the rough opening, eliminating the need for additional trim work after installation. It offers a two stage installation option, allowing the screen case to be installed during the rough in stage, and the screen surface during the finishing stage. The sliding