Garmin CV51M TM Tansom Mount Transducer
We purchased a brand new Garmin Echomap plus S V series chartplotter system. It came with this transom Mount transducer, but we opted for a through hull (the hole was already there on our Nordic).
Selling just the transducer, asking $175. The transom mount isn't the best for us, but putting this out here for anyone who is looking for one!