STI STI-13330NG Universal Stopper with Horn and Relay Enclosed Flush Back Box, No Label Included, Green

Protect critical notification and alarm hardware while streamlining installation with the Safety Technology International STI-13330NG protective cover. This Universal Stopper with Horn and Relay houses the notification horn and relay in an enclosed flush back box to guard electronics against tampering, dust, and accidental impact—ensuring uninterrupted performance in security, surveillance, and monitoring applications. The STI-13330NG ships in green for immediate visual identification of emergency circuits and is engineered for universal fit on common flush back boxes to reduce on-site modifications and inventory complexity. With the horn and relay integrated, installation time and field wiring are minimized, lowering labor costs and accelerating project schedules. The unit is supplied without a label so integrators can apply custom identification that matches site labeling standards or compliance needs. Ideal for alarm panels, access control points, and commercial monitoring systems, this protective cover offers a durable, professional solution that improves reliability and simplifies maintenance. Add the STI-13330NG to your next security installation to protect critical notification devices and speed up deployment.

• Protects alarm and notification components from tampering and dust with an enclosed flush back box for reliable long-term operation
• Integrated horn and relay reduce installation time and wiring complexity for faster deployments in security and monitoring systems
• Universal stopper design fits common flush back boxes, simplifying inventory and ensuring compatibility across sites
• Green finish provides clear visual identification for emergency circuits and makes inspections faster for maintenance teams
• No label included allows custom labeling to meet site-specific protocols and compliance requirements