Furuno Gulf of Mexico, Great Lakes Rivers - Vector Chart Standard Resolution Satellite Photos f/Part of the Great Lakes - Unlock Code [MM3-VNA-023] Brand_HawkEye Weighted bottom maintains a cylindrical

Weighted bottom maintains a cylindrical shape even in stiff currents

External Alarm connector

The magnetic attachment system on each panel lets you stick them to toolboxes

This transducer has a narrow beam low frequencies for deep water performance and high wide frequencies for shallow water performance

Anti-corrosive construction

Furuno Gulf of Mexico, Great Lakes Rivers - Vector Chart Standard Resolution Satellite Photos f/Part of the Great Lakes - Unlock Code [MM3-VNA-023] Brand_HawkEye Weighted bottom maintains a cylindricalGulf of Mexico, Great Lakes & Rivers Vector Chart & Standard Resolution Satellite Photos for Part of the Great Lakes Unlock Code **SYSTEM ID REQUIRED TO RECEIVE UNLOCK CODE** C MAP Wide Chart Gulf of Mexico, Great Lakes & Rivers. Vector charts & standard resolution satellite photos for part of the Great Lakes. This Chart Pack includes vector charts for Gulf of Mexico, Great Lakes, and Rivers, plus standard resolution satellite photography for part of