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Simplex 4098-9846 Security Vandal Guard
System Sensor SPWK SpectrAlert Advance Outdoor Speaker
NEMA Type 4 UL listed for non-hazardous indoor and outdoor applications
Simplex 4905-9915 Adapter Skirt
• Screw terminal connections for secure and efficient wiring
Silent Knight OSI-RI-SK Smoke Optical Beam ELSPSTR Simplex 4098-9846 Security Vandal GuardSilent Knight OSI RI SK Smoke Detector Linear Optical Beam It's an intelligent, addressable, reflector type smoke detector. The OSI RI SK is designed to protect large, open areas with high ceilings, such as warehouses, malls, aircraft hangers, arenas, and concert halls. It's ideal when spot type smoke detectors are difficult to install and maintain.