STI 13520NY Universal Stopper with Horn Enclosed Back Box Open Mounting Plate, No Label Included, Yellow

Protect critical access control and fire alarm devices with the STI 13520NY Universal Stopper security cover from Safety Technology International. Designed as a rugged protective cover for pull stations, keypads, intercoms and emergency buttons, this polycarbonate enclosure keeps monitoring and security equipment visible yet shielded from vandalism, weather and accidental triggers. The clear Type 3RX waterproof cover lets first responders and maintenance crews read devices at a glance, while the yellow horn housing offers immediate visual recognition and integrates with audible alarm systems. With an enclosed back box and open mounting plate, installation is straightforward and compatible with most dual-action pull stations; the unit is ADA-compliant and measures less than 4" deep for low-profile mounting. Built to resist UV, dust, grime and impacts, the STI-13520NY lowers long-term upkeep and supports continuous surveillance, intrusion detection and access control workflows. Ideal for facilities that demand dependable physical security and code-compliant protection—order the Universal Stopper today to secure your monitoring and life-safety devices.

• Prevents accidental activations and vandal damage to pull stations, keypads and emergency switches for reliable security and fire alarm operation
• Clear polycarbonate cover provides full device visibility for quick inspection while shielding from dust, grime and weather
• Integrated yellow horn housing and enclosed back box boost audible/visual deterrence and simplify alarm integration
• ADA-compliant, low-profile design (under 4" depth) fits most dual-action pull stations without compromising accessibility
• Durable, UV- and knock-resistant construction reduces maintenance and replacement costs in indoor/outdoor environments