Depth/Speed/Temp, Thru Hull
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                   B744V Bronze Thru-hull 50/200kHz Transducer with Depth/Speed/Temp, 600W, 45�/12�, Transducer Option for BSM-1
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                   Airmar B744V/VL External Thru-Hull Mount Transducer
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                   B744V Bronze Through-Hull Transducer with Fairing
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                   B744VL Bronze Long Stem Through-Hull Transducer
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                   B744V Bronze Transducer with 45' Cable
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                   Airmar B744V 200/50kHz Bronze Thru-hull Transducer (8-pin)
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                   Through-Hull Transducer with Depth Speed and Temperature
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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
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                   DST800 12deg Depth/Speed/Temp Thru-hull Transducer
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                   St650B Th Bronze Speed and Temp Transducer