The 6510 emergency pull stations are ideal for use in hospitals, schools and industrial facilities, and with a variety of door or access systems. 

STI’s Stopper II contractor pack kits include six complete covers in one package. Each protective polycarbonate cover helps stop false fire alarms without restricting legitimate use.

Constructed of polycarbonate, the Universal Stopper (STI-14000 series) low-profile cover protects against physical damage (both accidental and intentional), dust and grime, as well as severe environments (road hazards) inside and out.