Simplex 4901-9822 Category : Simplex This is an electronic horn, not an electromechanical horn or a speaker. Brand SimplexModel 4091-9822Manufacturer SimplexType Alarm (Horn)
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
Simplex 4251-30 Category : SimplexThe glass breaking handle on this station is getting pretty rusted.
