Photo 1 of 100db High Volume Electric Bell, 4 Inches Stainless Steel Fire Control Internal Strike Type Bell for Alarm Emergency Evacuation for School and Station 12V/24V/220V Optional (12V)

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Photo 1 of 100db High Volume Electric Bell, 4 Inches Stainless Steel Fire Control Internal Strike Type Bell for Alarm Emergency Evacuation for School and Station 12V/24V/220V Optional (12V)Photo 2 of 100db High Volume Electric Bell, 4 Inches Stainless Steel Fire Control Internal Strike Type Bell for Alarm Emergency Evacuation for School and Station 12V/24V/220V Optional (12V)