Garmin B75M Bronze 20 Degree Thru-Hull Transducer - 600W, 8-Pin [010-11636-22]Airmar B75M w 20 Tilt 600W Flush mounted bronze housing,tilted element inside the transducer accommodates all hull deadrises and eliminates the need for a fairing block. This broadband transducer is designed to allow both traditional and Spread Spectrum scanning when used with a compatible sonar like the GSD 26. It features a bronze, thru hull mount design with 20 degree tilt and provides both depth and temperature data to your Garmin Marine Network