Garmin GT20-TM – Transom Mount ClearVü 500 W (CHIRP 455/800 kHz) Traditional 500 W (77/200 kHz) Transducer with Temp (8-pin) for Sale in Mission Viejo, CA - OfferUp
Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz) Traditional 500W (77/200 Hz) Transducer w/Temp - 4-Pin - BOEMarine.com
Garmin GT20-TM | Transducer for Boat | GARMIN
For Garmin Gt20-tm Hd-id Transducer 4-pin - Power Supplys - AliExpress
Garmin GT20-TM Transom Mount ClearVü 500 W 455/800 kHz Traditional 77/200 4-pin | eBay