Garmin GT8HW-IH IN-HULL High Wide ChirpDesigned for fast bass boats, the Garmin GT8HW IH IN HULL High Wide CHIRP transducer delivers reliable depth and detailed bottom imagery when speed matters. Installed inside a fiberglass hull, it minimizes cavitation to keep depth readings accurate at high speeds. In hull installation: Mounts in a flat section of the hull to eliminate cavitation and maintain precise depth readings at speed. High Wide CHIRP frequency: Traditional CHIRP sonar at 150240