Garmin 2010c and GSD 20 Sounder $475 - The Hull Truth - Boating and Fishing Forum
Amazon.com: yourour 010-12006-11 Heavy Duty Transducer Mount Bracket, Transom Mount Bracket with Spray Sheild Compatible with Garmin Echo, echoMAP, CV,GT,GCV,GPSMAP,GSD 4-pin 8-pin or 12-pin Transducer. : Electronics
Garmin GSD-24
Garmin GSD20 Sounder Module - Tested Working - Max Marine Electronics
Garmin GSD 22
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