Airmar's B164 8-pin bronze, thru-hull mount transducer with 12 deg tilt provides depth and temperature. This transducer has an operating frequency of 50 or 200 kHz and mounts on a 8-15 deg deadrise angle.,/p>
Sitex Marine Electronics B-164-12-CX Sitex B164-12-CX 1KW 50/200KHZ 12 Deg Tilted Element