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Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz); Traditional 500W (77/200kHz) Transducer w/Temp - 8-Pin - BOEMarine.com
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Garmin Garmin GT20-TM – Transom Mount DownVü 500 W Traditional 500 W Transducer with Temp (8-pin) - Installation Instructions
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