Garmin, Depth/Speed/Temp, 1200, 600W
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                   Airmar B744V/VL External Thru-Hull Mount Transducer
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                   Airmar P66 200/50kHz Plastic Transom Mount Transducer (8-pin)
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                   Airmar B744V 200/50kHz Bronze Thru-hull Transducer (8-pin)
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                   50/200kHz, Transom-Mount, Dual-Frequency Transducer
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                   Thru-Hull Dual-Frequency 50/200kHz (B744V) Transducer
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                   Bronze Thru-hull Mount Transducer with Depth, Speed & Temperature