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Garmin GT20-TM 4-Pin Transom Mount Transducer│CHIRP ClearVü - DownVu│500W│455kHz 753759152758 | eBay
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ECHOMAP™ UHD2 74cv Fishfinder/Chartplotter Combo with GT20-TM Transducer and BlueChart® g3 Charts | West Marine
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TG-D-Vü fits Garmin DownVü GT20 xDucer for Trolling Motor, Jack Plate or Set Back – Transducer Shield and Saver
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