THIS ITEM IS A GENUINE LOWRANCE THRU HULL  20 DEGREE 192 KHZ TRANSDUCER.ITEM IS NEW OLD STOCK.PLEASE SEE PHOTOS FOR YOUR APPLICATION AND COMPATIBILITY.NO LONGER IN THE MARINE BUSINESS SO I AM SELLING OFF ALL OF MY STOCK THEREFORE I CANNOT OFFER RETURN SERVICE ON THESE ITEMS.I WILL BE HAPPY TO ANSWER ANY QUESTIONS YOU MAY HAVE.THANKS FOR LOOKING