Garmin GT52HW-TM Plastic, TM or Trolling Motor Transducer, High Wide CHIRP/DownV/SideV - 455/800kHz, 500W [010-12405-00] $314.99
Garmin GT21-TH S/S Thru-Hull ClearV CHIRP, 600W 50/200kHz Traditional, 500W 260 455 ClearV CHIRP [010-01962-10] $474.99