Garmin B75H Bronze 12 Degree Thru-Hull Transducer - 600W, 8-Pin [010-11634-21]Airmar B75H w 12 Tilt 600W Flush mounted bronze housing,tilted element inside the transducer accommodates all hull deadrises and eliminates the need for a fairing block. Low, medium, and high frequency versions provide maximum flexibility for the choice of frequencies. Excellent for fiberglass and wood hulls. Max Depth 800' Suppoarted Deadrise Transom Angles 6 15 Deadrise WARNING: This product can expose you to chemicals which are known to the State