Garmin GT20-TM Transducer (4 Pins) – Motor boat accessories & spare parts
Garmin GT20-TM Transducer Silver | Waveinn
Garmin GT20-TM – Transom Mount ClearVu 500 W (455/800 kHz) Traditional 500 W (77/200 kHz) Transducer with Temp (4-pin) | Discontinued | Garmin Hong Kong