B258 1kW Bronze Thru-Hull Depth/Temp with FB - 8-PinGarmin's bronze, thru-hull mount transducer with fairing provides depth and temperature data. Garmin's transducer has an operating frequency of 50 or 200 kHz and mounts on a 0-22° deadrise angle.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.