Airmar B75Hw/20° Tilt600W 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…Continue readingGarmin B75H Bronze 20 Degree Thru-Hull Transducer – 600W, 8-Pin [010-11634-22]