Harmony DL1B Series Incandescent Bulb

The DL1B series bulb was designed to be used in conjunction with the Schneider Harmony XVB, XVP and XVD series of modular signal towers. This bright, clear incandescent bulb gives a steady signal, giving your tower a constant display for your signalling needs. Used for signalling various operations within the working environment, you can uses these devices for so many different themes, the limit is up to you.