Garmin Bronze Thru-hull Mount Transducer with Depth & Temperature -
Bronze Thru-hull Mount Transducer with Depth & Temperature (Narrow Stem, 8-pin) - Airmar B45 This ronze thru-hull mount transducer is the smallest, most economical stem mount transducer with fairing, requiring only a .866" (22 mm) hole. An excellent choice for fiberglass and wood hulls, this 8-pin 600 W narrow stem transducer has a depth of 800 to 1,200 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 45 to 12 degrees; and a 0 to 26 degree deadrise. Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.