Garmin
Garmin Airmar B258 8 Pin Bronze Thru-Hull Transducer
This mid-range 1 kW 8-pin transducer with a narrow beam is good for deep water and bottom definition. It has a depth of 1,500 to 2,200 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 14x23 to 3x5 degrees; and a 0 to 26 degree deadrise.