TL50GWCQ,TL50 TOWER LIGHT, GRAY HOUSING:
TL50GWQ,TL50 TOWER LIGHT: 2-COLOR INDICA
TL50GWRALSQ,TL50 TOWER LIGHT: 3-COLOR SEALED
TL50GWRAOSIQ,TOWER LIGHT: 3-COLOR SEALED; OMN
TL50GWRBQ,TL50 TOWER LIGHT: 4-COLOR INDICA
TL50GWRKQ,TOWER LIGHT IO-LINK SERIES: 3-CO
TL50GWRQ,TOWER LIGHT: 3-COLOR INDICATOR
TL50GWRYQ,TOWER LIGHT: 4-COLOR INDICATOR;