"Standard Horizon DST520 Brand New Includes One Year Warranty, The Standard Horizon DST520 is a 500W 2"" nylon thru-hull transducer that provides depth and temperature to FF520 black box fishfinder
The Airmar P319 design transducer features a 50/200 kHz, dual-frequency, single-ceramic element in a low-profile plastic housing. DST520 Features: Nylon Thru-Hull Transducer, Part Number: DST520, Frequency 200/50 kHz, Single Ceramic Element, Provides Depth, & Temp Data, Maximum Power 500W, Plastic Housing, For FF520 Black Box Fishfinder"
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