Humminbird XFM 9 20 Plastic Flush-Mount Thru-Hull Transducer
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<b>[Product Information]</b><br>
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<li>Thru-hull, flush-mount transducer, works with thinner hulls, while internal, steel sleeve provides extra reinforcement</li>
<li>Dual-beam, with 20-, and 60-degree beam angles and operating frequencies of 200 kHz and 83 kHz</li>
<li>Not recommended for trailered boats, and professional installation recommended</li>
<li>Compatible with many of Humminbird's Piranha, Matrix and numbered series sonar systems</li>
<li>Doesn't require a fairing block, and is backed by manufacturer's one-year limited warranty</li>
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