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Garmin GSD 21 Analog Sonar Black-box sounder that provides fast Ultrascroll displays and 500-watt (RMS) sounder capability to 2000 series and 292/392/492 series chartplotters featuring the Garmin CANet bus
Minimum advertised price:
$249.99
Select Item and Click 'Buy Me' for your low price!
Garmin GSD 22 Digital Sonar Black Box remote digital sounder that plugs directly into the Garmin Marine Network for use with our network chartplotters — or into the new Garmin CANet for use with the 292/392/492 series chartplotters
Minimum advertised price:
$499.99
Select Item and Click 'Buy Me' for your low price!
