Garmin B75H Bronze 20° Thru-Hull Transducer - 600W, 8-PinExperience precise sonar and dependable depth readings with the Garmin B75H Bronze 20 Thru Hull Transducer a rugged, bronze thru hull solution designed for fiberglass and wood hulls. The flush mounted housing houses a tilted element that automatically accommodates all hull deadrises, eliminating the need for a fairing block while delivering clean, accurate performance at depth. Key Benefits and Features 600W high power output for strong, clear sonar