Garmin Fairing Block for GT21 GT23 GT41 GT50 & GT51 Colour:Default The glove has a waterproof

The glove has a waterproof Hipora lining

And since the MBB300C dissipates less than 10 watts there is no need for internal cooling fans that are noisy and wear out causing electronics to overheat and fail

Rugged drop tested construction with ribbed grip

Organisations such as National Coast Watch will also find this a useful backup for any offshore emergencies

Garmin Fairing Block for GT21 GT23 GT41 GT50 & GT51 Colour:Default The glove has a waterproofUse this 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.