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Garmin GT23M-TH Stainless Steel, TH Mount Transducer, Mid-Band CHIRP/CHIRP DownVu - 260/455kHz, 500W, 8-Pin - BOEMarine.com
Mounting Hardware (GT21-TH/GT23M-TH/GT30-TH/P/GT41-TH/GT50M-TH/P/GT51M-TH/P) - GARMIN | Raytech Electronic
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Garmin GT23M-TH Mid Band Traditional/ClearVu Chirp Thru Hull Transducer - 8-Pin - 010-12760-10 | Anchor Express
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