Garmin B744VL Long Stem Bronze Thru-Hull Depth/Temp/Speed w/FB - 8 Pin [010-10193-22]Airmar B744VL 200 50kHz Bronze Long Stem Thru hull Transducer (8 pin) 010 10193 22 Our bronze, thru hull mount long stem transducer provides depth, speed and temperature data. This transducer has an operating frequency of 50 or 200 kHz and mounts on a 0 28 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