The Humminbird XFM 9 20 Dual Beam Flush Mount Plastic Thru-Hull Transducer provides dual beam functionality and does not require a fairing block.

• Plastic flush mount thru hull transducer
• Dual Beam, 20/60 degree, 200/83kHz
• Shaft diameter: 2 in., Bottom diameter: 3 in. , Depth: 0.2 in. (below hull)
• Cable Length: 20 ft.
• No fairing block required