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The Garmin GSD 20 is not selling at Retrevo any longer. Customers who are shopping for a today are looking at the following popular models.
Garmin Transducer Extension Cable - 20'(6m) - 8-Pin for GSD22 & GSD24
iMarine USA $83.42
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Amazon.com: garmin gsd 20: Electronics
Brand New Garmin Gsd 22 Remote Sounder For 30Xx 32Xx 21Xx 22Xx X9x "Product Category: Marine Navigation & Equipment...
garmin gsd 20 | eBay - Electronics, Cars, Fashion ...
Find great deals on eBay for garmin gsd 20 garmin gsd 21. Shop with confidence...
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garmin gsd 20 - Best Buy
Shop for garmin gsd 20 at Best Buy. Find low everyday prices and buy online for delivery or in-store pick-up...
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Garmin gsd 20 Marine Electronics | Bizrate
Find great deals on Garmin gsd 20 Marine Electronics, including discounts on the Garmin Thru Hull Transducer Fairing Block...
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Garmin GSD 20 Shopping

 
 
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GSD 20 | Garmin
This product has been discontinued. The GSD 20 is a remote, black-box sounder that transmits 500 watts at 50/200kHz and works with several Garmin chartplotters...
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