This is the primer that protects the sonar display from the sun. The ratchet strap keeps it in place while driving. Photo posted on my 5 inch Hummingbird Helix display.
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Garmin GPSMAP Navigator Chartplotter 010 00864 01
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8 Inch Blue Injection Molded Cone Car Vehicle Subwoofer Audio Speaker - Chrome-Plated Steel Basket, Dual Voice Coil, 4 Ohm Impedance, 600 Watt Power - Pyle PLBW84 for Improved Vehicle Stereo Sound System
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π§ FARO Aviation Headset Converter: Low to High Impedance Adapter for General Aviation (GA) and Military Headsets
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