Garmin 0100286801 GT15M-THF Stainless Steel Thru-Hull Transducer, 12A

Designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats, this flush-mounted, 600-watt midband CHIRP transducer clearly defines fish arches, structure and bottom depth returns on your display. 600W output power, 50' cable. 12A supports hull deadrise angles from 8A to 15A.