B275LHW Bronze Thru-Hull CHIRP Transducer - 12-PinBronze, Thru-Hull CHIRP Transducer with Temp, with 12-Pin Connector, Low-Freq: 42-65 kHz, High-Freq: 150-250 kHz.The 275LH-W series transducers are truly broadband at its best. Paired with Furuno’s...