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Pertronic F220® Synchronizable Notification Appliance Circuits (NAC) are compatible with Sounders, Strobes, and Sounder-Strobes supplied by Gentex

Pertronic F220® Synchronizable Notification Appliance Circuits (NAC) are compatible with Sounders, Strobes, and other Alarm Devices supplied by System Sensor

Pertronic F220® Synchronizable Notification Appliance Circuits (NAC) are compatible with Sounders, Strobes, and other Alarm Devices supplied by Wheelock