STI 1230 Stopper II without Horn with Spacer, Fire Label, Red STI-1230

Proven effective for over 40 years, the STI 1230 Stopper II helps reduce false fire alarms while allowing legitimate emergency activation. Its durable, UV-stabilized polycarbonate cover helps protect compatible pull stations from accidental impact, vandalism, and unauthorized use while keeping the device visible.

This non-alarmed model includes a clear conduit spacer for added clearance with compatible surface-mounted and larger pull stations. A visible FIRE label helps identify the protected equipment. Listed specifications include UL/cUL listing, ADA compliance, and MEA 49-00-E approval.