Garmin GT21-TH - Stainless Steel Thru-Hull DownVu 500 W (CHIRP 260/455 kHz) Traditional 600 W (50/200 kHz) Transducer with Temp (8-pin) (010-01962-10)
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Garmin GT21-TM 4 Pin Transom Mount Transducer - NEW OPEN BOX - 010-12219-00 - Max Marine Electronics
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TG-DS-9 fits Garmin DownVü/SideVü Chirp Transducers GT21, GT23, GT41, GT50 and GT51 | Transducer Shield and Saver
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