GNX™ Wired Sail Pack 43 Update Your Sailboat’s Electronics with 43 mm Transducers Includes GNX™ Wind and GNX 20 marine instruments, gWind™ Wired transducer plus GDT™ 43 and GST™ 43 transducers with 43 mm fittings and adapters for NMEA 2000® network sharing GNX Wind and GNX 20 instruments have highly visible glass-bonde