TL50ZA,TOWER LIGHT: AUDIBLE INDICATOR;
TL50ZALS,TL50 TOWER LIGHT: AUDIBLE INDICA
TL50ZALS3,TOWER LIGHT: SEALED PULSED AUDIB
TL50ZAOS3I,TOWER LIGHT: SEALED; OMNIDIRECTI
TL50ZAOSQP,TOWER LIGHT: SEALED; OMNIDIRECTI
TL50ZB,TOWER LIGHT: 1-COLOR INDICATOR;
TL50ZB2,TOWER LIGHT: 1-COLOR INDICATOR;
TL50ZBA,TOWER LIGHT: 1-COLOR AUDIBLE IND
