STI Enviro Stopper®
The STI Enviro Stoppers® are used indoors or outdoors and helps to extend the life and reliability of devices exposed to harsh environments such as manual call points and switches.
The covers protect against dust and water ingress both outside and inside, as well as preventing tampering, vandalism and damage from accidental or malicious operation.
The stoppers are available are available with a sealed mounting plate, open mounting plate and with and without a sounder.