Humminbird XFM 9 20 Plastic Flush-Mount Thru-Hull Transducer

Thru-hull, flush-mount transducer, works with thinner hulls, while internal, steel sleeve provides extra reinforcement

Dual-beam, with 20-, and 60-degree beam angles and operating frequencies of 200 kHz and 83 kHz

Not recommended for trailered boats, and professional installation recommended

Compatible with many of Humminbird's Piranha, Matrix and numbered series sonar systems

Doesn't require a fairing block, and is backed by manufacturer's one-year limited warranty

Plastic thru-hull transducers are an economical alternative to bronze and work with thinner hulls such as aluminum. Internal steel sleeve provides extra reinforcement. Not for Trailered boats. Professional installation recommended. 30 ft cable and hardware included. This model will work with Matrix 10, 15, 17, 20, 25, 27, 55, 65, 67, 77c, 87c, 97; Piranha 1, 2, 3, 4, 5; PiranhaMAX 210, 215, 220, 230pt; Fishfinder 515, 525, 535, 565, 580, 585c, 595c; 931c, 937c; 323, 343c, 363, 383c; 717, 727, 747c, 757c, 767, 777c, 787c; 917c
Brand: Humminbird, Model: 7101811