This product is either discontinued or we cannot get that from suppliers.
GARMIN 010-12380-20 M265LH Airmar in Hull Mount Transducer 12 Pin, Frequency: CHIRP Low (42-65 kHz) and CHIRP High (130-210 kHz), Power Rating: 1-kW, Maximum Depth Capacity: 3,000 ft, Cable Length: 39 ft.
The Garmin Airmar M265LH In-Hull Mount Transducer is a narrow beam transducer that provides compatible chartplotters and fishfinders with accurate depth readings and crisp images with greater details and resolution.