Garmin Plastic Thru-hull Mount Transducer with Depth & Temperature - Airmar R109LH -
This plastic thru-hull mount transducer uses very narrow beams at low and high frequencies for excellent deep water performance. A 2 kW in a slightly smaller package, this bare wire transducer has a depth of 8,000 ft; an operating frequency of 38 to 75 kHz and 130 to 210 kHz; a beamwidth of 9x23 degrees or 4 to 8 degrees; and a 0 to 25 degree deadrise. Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat. Compatible products: GSD26.