The Garmin GT15M-THF is a 600-watt thru-hull transducer with a stainless steel housing designed for traditional 2D sonar on midsize fishing and cruising boats.

• Provides traditional 2D sonar for reading depth, bottom hardness, and fish beneath the boat
• Rated to 600 watts of power for the depth range it targets
• Stainless steel housing built for thru-hull installation
• Low-drag shape that reduces water disturbance for cleaner sonar returns underway
• 0-degree tilt configuration for level mounting
• Black and silver finish

Available from Mirage Fish Finder, the GT15M-THF brings 2D sonar to midsize boats in a streamlined stainless steel thru-hull design.