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

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

Simplex 2903-9101 Strobe Plate w/ Simplex 2901-9806 B4 Horn Tested*and Working*

Simplex 2903-9101 Fire Alarm Strobe Plate

(1) Simplex 2903-9001 & 2901-9806 Light Plate Combo RARE TESTED WORKING

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

Simplex 2903-9806 Strobe Plate w/ Simplex 2901-9806 B4 Horn Tested*and Working*

Simplex 4903-9105 Strobe Plate w/ 2901-9840 Mechanical Horn (Backbox Included)