TL50GRYALSQ,TL50 TOWER LIGHT: 3-COLOR SEALED
TL50GRYAOSIQ,TOWER LIGHT: 3-COLOR SEALEDO
TL50GRYAQ,COMPLETE UNIT GRN/RED/YEL
TL50GRYB,TOWER LIGHT: 4-COLOR INDICATOR;
TL50GRYBA,TL50 TOWER LIGHT: 4-COLOR AUDIBL
TL50GRYBAOS3,TOWER LIGHT: 4-COLOR SEALED; OMN
TL50GRYBAQ,TOWER LIGHT: 4-COLOR INDICATOR;
TL50GRYBQ,TL50 TOWER LIGHT: 4-COLOR INDICA
