RVM-420 Stainless Steel Thru-Hull Pair, 20 Degree Deadrise & 10M Cable The RVM-400 series transducers feature DownVisionâ„¢, SideVisionâ„¢, 600-Watt High CHIRP, and 3D sonar capability. The transducer has a built-in…Continue readingRaymarine RVM-420 Stainless Steel Thru-Hull Pair, 20 Degree Deadrise 10M Cable [T70544]