Humminbird Humminbird XAP 9 20 Angled Puck Transducer

Package Type:Standard Packaging Product Description Single/Dual Beam, 20/60 Degree, 200/83 kHz. For use in single layer fiberglass hulls. Compatible with: Matrix 10, 12, 15, 17, 20, 27, 67, 77, 87, 97, All Piranha MAX except 240, 180, 165, 175, 176i, 195c, 196ci, 197c, 4, HDR 650, All 100 and 300 Series except DI, All 500 Series except DI models, All 600 Series except DI models, All 700 Series except DI models, All 800 Series except DI models, All 900 Series except DI, 3D models, All 1100 Series except DI models and All HELIX Series except DI. Amazon.com The Humminbird XAP 9 20 Angled Puck Transducer is designed to mount to the inside of most fiberglass hulls with a deadrise greater than 15 degrees, and transmit the sonar signal downward through the hull itself. Your boat's hull must be of single-layer, fiberglass construction and be free of trapped air or voids in order for a puck transducer to operate correctly, so cored fiberglass, metal and wood will not work. This unit is meant to be glued to your inn...