Da-Lite 21873L 189" Cosmopolitan Electrol Tensioned 16:10, HD Progressive 0.9

Designed for large-scale professional environments, the Da-Lite by Legrand 21873L Tensioned Cosmopolitan projection screen gives teams a reliable, high-precision display surface for presentations, network operations, and security monitoring. The 189" diagonal viewing area and 16:10 aspect ratio make it ideal for widescreen content and multi-window surveillance layouts, while the HD Progressive 0.9 surface balances contrast and color for true-to-source images. The TruGuide electric tensioning system ensures a perfectly flat screen every time, removing distracting wrinkles and preserving image focus across the entire surface—critical for command centers and control rooms. Installers benefit from versatile ceiling or wall mounting and low-voltage or Decora-style wall controls for smooth integration with AV racks and security systems. Built with a black-backed, two-piece aluminum case to retain brightness and block light bleed, this TAA-compliant, GREENGUARD-certified screen supports procurement requirements and healthy indoor air quality. Upgrade your presentation and surveillance workflows with a dependable projection surface that reduces downtime and improves situational awareness. Contact us to specify the 21873L for your boardroom, NOC, or security operations center.

• Massive 189" diagonal image creates immersive, easy-to-read visuals for large conference rooms, training spaces, NOCs and surveillance centers
• TruGuide electric tensioning delivers a perfectly flat surface to preserve image fidelity and reduce focus recalibration for security and monitoring applications
• 16:10 aspect ratio and 0.9 HD Progressive surface optimize widescreen content and projector color balance for presentations and video walls
• Flexible ceiling or wall mounting plus low-voltage/Decora-style control enables clean integration with AV, security and networked control systems
• Black-backed, two-piece aluminum case preserves brightness and minimizes light bleed so critical surveillance and monitoring feeds remain clear
• TAA and GREENGUARD certified—meets procurement and indoor air quality standards for enterprise and government installations