STI-13110NB weatherproof Universal Stopper, blue label collar, for over a surface mount push button, without text

STI-13110NB weatherproof Universal Stopper for protection of surface-mounted manual call points, the Stopper has a blue collar and features no text. The protective cover helps prevent fire alarms from being triggered maliciously or accidentally. The Stopper is made of durable transparent polycarbonate.