(RARE) Simplex 2903-9101 Fire Alarm Strobe Plate (TESTED)

Simplex 2903-9001 Strobe Plate and 2901-9838 Mechanical Fire Alarm Horn

Simplex 2903-9101 Strobe Plate w/ Simplex 2901-9806 B4 Horn

Simplex 4903-9101 Fire Alarm Strobe Plate With 2901-9838 Mechanical Horn and box

Simplex 4903-9101 Strobe Plate with 2901-9833 Mechanical Horn

Simplex 2903-9001 Strobe Plate and 2901-9838 Mechanical Fire Alarm Horn

Simplex 2903-9101 With 2901-9838 Fire Alarm Horn Strobe

Simplex 2903-9001 Light Plate + Rare Simplex 2901-9833 Pigtail Horn w/ Backbox