This universal, high-polished Seaview Stainless Steel Guard is designed for use with 12" to 20" closed-dome radars and satdomes. Model#: SM-G18-U. COMPATIBLE UNITS:* Furuno: 15" - 18" Radomes, DRS42 (1st Watch)* Garmin: GMR Fantom 18, GMR18, GMR18x (HD)* Intellian: i2, i3, i4, i4P, FB150, FB250* JRC: JUE 250, JUE 33* Koden: 18" (MDC 900 Series) radomes* KVH: M1DX, M1, TV1, M2, M3, M3DX, M3ST, V3, V3-IP, TV3, M5, TV5, FB250* Lorenz: 18" - 24" radomes* Lowrance: 3G, 4G radomes* Raymarine: 18" (Does not fit Quantum Radar - use SM-G24-U instead), 33STV, 37STV, 45STV* Sea-Tel (Cobham): ST14, FX150 (16.5")* Simrad: 3G, 4G radomes* Sitex: 18" (T760/T921) radome* Seiwa/Techmarine: 12" - 24" radomes* Thrane & Thrane: FB150, FB250, Fleet 33, Fleet 33+* VDO: Ocean Line 132 (18"), 337 (15") | Seaview Stainless Steel Guard for 12" - 20" Radars