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All-in-one Garmin Gt12m-thf Bronze Thru-hull Medium Chirp 20d Tilted Element Depth/temp All Sizes Available [OPcd4eoj]

$57.99 $185.99 -69%

Garmin GT21M-THF Bronze Thru-hull 20Deg Tilt Medium CHIRP Depth and TempModel: 010-02867-02350-watt midband CHIRP (85—165 kHz) transducer with beamwidths of 16—24 degreesThru-hull flush mounting with durable bronze housing and stemAn excellent choice

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All-in-one Garmin Gt12m-thf Bronze Thru-hull Medium Chirp 20d Tilted Element Depth/temp All Sizes Available [OPcd4eoj]

Garmin GT21M-THF Bronze Thru-hull 20Deg Tilt Medium CHIRP Depth and Temp

Model: 010-02867-02
  • 350-watt midband CHIRP (85—165 kHz) transducer with beamwidths of 16—24 degrees
  • Thru-hull flush mounting with durable bronze housing and stem
  • An excellent choice for near/offshore fishing and cruising on midsize boats
  • Offers excellent sensitivity for clear structure definition and target separation
  • Crisp fish arches allow you to distinguish between small baitfish and larger target fish
  • Simple plug-and-play operation with Garmin transducer ID auto-identification
  • Configurable for a wide range of boat hull materials, including fiberglass, composite and wood""

The GT12M-THF transducer is designed for reduced drag and optimum sonar performance on midsize fishing and cruising boats. It features high-definition 350-watt midband CHIRP (85—165 kHz) sonar that clearly defines fish targets down to depths of 800’ in saltwater and 1,200’ in freshwater. The thru-hull transducer offers beamwidths of 16—24 degrees and comes in a durable flush-mount bronze housing.


What's in the Box:
  • GT12M-THF 20 Deg Tilt
  • Jam Nut
  • Washer
  • Documentation

What Our Customers Say

February 5, 2026

Absolutely no complaints!

Excellent product. Just go ahead and go and get it.

- Mair U..

February 5, 2026

Absolutely no complaints!

It's a very solid, and a very, very, very nice product.

- Bronwen G..

February 5, 2026

Absolutely no complaints!

It's a wonderful, and a very, very reliable item.

- Elin L..

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