Humminbird - XP 9 20 - In-Hull Single/DualBeam Transducer (no temp) - 710164-1 In Hull, Single/DualBeam, 20/60 degree, 200/83 kHz. No temperature. For use in single layer fiberglass hull. Features: Puck Shoot Thru the Hull Transducer Single/Dual Beam, 20/60 degree, 200/83 kHz, 15' cable For use in single layer fiberglass hull Compatible with: All HELIX G1 and G2 Series except DI, Matrix 10, 12, 15, 17, 20, 27, 67, 77, 87, 97, All PiranhaMAX except 240, 165, 175, 176i, 195c, 196ci, 197c, 197c DI, PiranhaMAX 4, PiranhaMAX 4 DI, All 100 and 300 Series except DI, All 500 Series except DI, All 600 Series except DI, All 700 Series except DI, All 800 Series except DI, All 900 Series except DI, 3D models, All 1100 Series except DI, and HDR650