STI 1230-ES Stopper II without Horn with Spacer, Spanish Label

Reduce false fire alarms and protect manual pull stations with the STI 1230-ES Stopper II protective cover from Safety Technology International. Designed for facilities that demand reliable security and uninterrupted monitoring, this surface-mount protective cover combines high-visibility polycarbonate construction with proven impact resistance to deter tampering and accidental activations. The clear, UV-stabilized PC material preserves signage visibility and ADA compliance while allowing authorized personnel and first responders to quickly access the pull station.

Sized at 7" H x 5" W x 5.2" D and UL/cUL listed, the Stopper II accommodates standard and larger surface-mounted pull stations and works with the STI-3100 conduit spacer for complex installations. Its rugged build performs indoors and outdoors, reducing nuisance alarms and lowering maintenance and response costs for schools, hospitals, retail, transit and commercial properties. Ideal for security-conscious operations, the cover supports fire alarm integrity without interfering with surveillance, life-safety monitoring or building management systems. Protect your devices and streamline alarm response—add the STI 1230-ES Stopper II to your fire protection strategy today.

• Prevents costly false alarms while preserving legitimate emergency activation for reliable building safety
• Durable, UV-stabilized polycarbonate shield resists vandalism, accidental damage and harsh environments
• Clear, ADA-compliant design maintains visibility and easy access to pull stations for staff and first responders
• Surface-mount design with included spacer fits most manual pull stations (7" H x 5" W x 5.2" D) and accommodates conduit spacers
• UL/cUL listed reliability from Safety Technology International with a 3-year polycarbonate breakage guarantee for long-term asset protection