STI 13330FR Universal Stopper with Horn and Relay Enclosed Flush Back Box, Fire, Red

Protect critical fire and access-control devices with Safety Technology International's STI 13330FR Universal Stopper — a purpose-built protective cover that reduces false alarms, vandalism and accidental activation. This security cover combines a molded, UV-stabilized polycarbonate dome with an enclosed flush back box to shield dual-action pull stations, keypads, intercoms and emergency buttons while maintaining full usability. The STI-13330FR includes an optional horn and relay for audible alerts and easy integration with building alarm and monitoring systems, and it supports a maximum protrusion of 4 inches for a low-profile footprint.

Designed for both indoor and outdoor installations, the red, fire-equipment enclosure meets the practical needs of facilities managers, fire alarm contractors and security integrators. Its rugged material and sealed back box help protect wiring and devices in high-traffic or exposed environments, supporting surveillance, monitoring and access control strategies. Specify the STI-13330FR Universal Stopper when you need a reliable, compliant protective cover for fire and security devices — ideal for schools, hospitals, offices and industrial sites. Contact your distributor to order or request installation guidance.

• Prevents accidental or malicious activation of pull stations and emergency devices while preserving full operational access
• Durable, UV-stabilized polycarbonate construction resists impact and outdoor exposure for long service life
• Built-in horn and relay option adds audible alert and integration with alarm systems for faster response
• Enclosed flush back box protects wiring and supports clean, code-compliant fire equipment installations
• Low-profile design (max 4" protrusion) fits most dual-action pull stations, keypads and intercoms without obstructing daily use