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| Vibratone® Hazardous Location Horn |
| Model 350WBX (AC current) Vibratone® horn produces sound by the electro-mechanical vibration of a stainless steel diaphragm. The horn mechanism with diaphragm is attached to the grille. The water- and dust-tight backbox is ideal for indoor or outdoor use. |
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| SelecTone® Hazardous Location Audible Signaling Device |
| Federal Signal's Model 300GCX SelecTone® Speaker Amplifier is designed to produce tones, digital voice messages and live public address in harsh environments with high ambient noise levels. |
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| SelecTone® Hazardous Location Audible Signaling Device |
| Federal Signal ' s Model 302GCX SelecTone® Speaker Amplifier is designed to produce tones, digital voice messages and live public address in harsh environments with high ambient noise levels. |
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