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28 46 41
Fire-Alarm Notification Appliances
28 46 41.11
Audible Fire-Alarm Notification Appliances
28 46 41.21
Visible Fire Alarm Notification Appliances
28 46 41.31
Combination Fire-Alarm Notification Appliances
28 46 41.41
Tactile Fire Alarm Notification Appliances
28 46 51
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Divisions >
28 00 00 Electronic Safety and Security >
28 40 00 Life Safety >
28 46 00 Fire Detection and Alarm >
28 46 41 Fire-Alarm Notification Appliances >
28 46 41.11
Audible Fire-Alarm Notification Appliances
Includes
standard and low frequency horns, bells, loudspeakers, exit-marking wide-band sounders, and textual voice loudspeakers.
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