Garmin's 010-11928-20 Transom Mount 300W TM150 Transducer with CHIRP Technology. Provides a maximum depth reading of 1,500 ft. Operating frequency of 95 to 155 kHz. 26/17 degree beamwidth and mounts on a 3 to 20 degree transom. Includes 39' of Cable. Compatible with Garmin GPSMAP 527xs, 547xs, 721xs, 741xs, 840xs and 1040xs.
Product Accessories for Garmin TM150M Plastic Transom Mount Transducer with CHIRP
PropSpeed's FoulFree Transducer Coating Kit is the biggest advancement in transducer paint and coatings in the last 30 years. It will keep your thru-hull or transom mount transducer free of marine growth. This nontoxic formula has zero leaching of harmful chemicals into water unlike traditional anti-fouling bottom paints and is certified by Airmar.