STI 1100CP6 Stopper II with Horn Flush Mount, Fire Label, 6-Pack

Reduce costly nuisance alarms and protect life-safety infrastructure with the Safety Technology International STI 1100CP6 Stopper II protective cover. Designed for facility managers and contractors, this flush-mount security cover combines durable polycarbonate construction with an internal piezo horn that sounds locally the moment a cover is lifted—drawing immediate attention and deterring malicious or accidental tampering before a fire alarm is activated. Supplied as a convenient 6-pack, the Stopper II supports fast deployment across campuses, hospitals, hotels and retail properties. Key specifications include UL/cUL Listing, ADA-compliant clear cover, battery-powered audible alarm and a tamperproof surface-mount form factor. The transparent design preserves visibility and does not restrict legitimate activation, while the horn and robust materials protect pull stations from physical damage and harsh environments. Integrate these covers into your security, surveillance and fire alarm monitoring strategy to reduce false activations and lower operational disruption. Add the STI 1100CP6 Stopper II 6-pack to your fire protection plan today — order now or contact our team for bulk pricing and installation guidance.

• Stops false alarms before they start with a loud internal horn that notifies staff when the cover is lifted
• Protects fire alarm pull stations from vandalism, accidental damage and harsh environments with tough polycarbonate construction
• Clear, ADA-compliant cover preserves full accessibility so authorized users can activate alarms without restriction
• Flush-mount design and 6-pack kit streamline installation and maintenance across campuses or multi-site facilities
• UL/cUL Listed and battery-powered horn deliver reliable local alerting and easy compliance for safety programs
• Ideal for schools, hospitals, hotels and public buildings to reduce nuisance alarms and improve security monitoring