Simrad DST800 Bronze Thru-hull Transducer
The DST800 Smart Speed, Depth Temperature Low Profile Bronze Through Hull Retractable Transducer. Operates at 235kHz so there is no interference with your 50/200 kHz fishfinder transducer. Compatible hull material: Wood and fiberglass. 2.5 meter cable with SeaTalk ng connector. Hole diameter for installation: 2 inch. Compatible with SeaTalk ng instruments ST70, i70, i70s and Multifunction Displays.