Bronze Thru-Hull Transducer with Temp, 600W (10-Pin), 20° Tilted Element. Airmar B60 Housing Style Transducer. If a thru-hull flush-style transducer is called for, the Tilted Element 525T-LTD/20 is right for hulls with a deadrise angle of between 16° and 24°. This transducer compensates for deadrise by angling the element inside the housing. The transducer is labeled with an arrow on top of the housing that should point towards the keel, whether it is installed to port or starboard. This ensures that the tilted element within the housing is given the correct orientation.