Garmin Replacement Fairing Block f/GT21, GT23, GT41, GT50 & GT51 Series of Thru-Hull Scanning Transducers Marine Navigation & Instruments | Transducer Accessories C-MAP Wide Chart - Canada

C-MAP Wide Chart - Canada North & East

6M (20ft) of extension cable

Pair this GMR Fantom™ 4' Antenna Array with a GMR Fantom™ Pedestal for a better view of the open waters around you

Charging Clip for Astro

700 mW Audio Output

Garmin Replacement Fairing Block f/GT21, GT23, GT41, GT50 & GT51 Series of Thru-Hull Scanning Transducers Marine Navigation & Instruments | Transducer Accessories C-MAP Wide Chart - CanadaReplacement Fairing Block f GT21, GT23, GT41, GT50 & GT51 Series of Thru Hull Scanning Transducers Use our fairing block to position your Garmin GT21, GT23, GT41, GT50 or GT51 series of thru hull scanning transducers parallel to the water line for increased sonar accuracy. If the deadrise angle of your mounting location exceeds 5 degrees, you should use a fairing block to mount the device. WARNING: This product can expose you to chemicals which are