Compatible with the following instruments: ST70* ST60+ ST290 Compatible hull material: wood and fiberglass Cable: 45 ft. cable Hole diamater for installation: 7/8" Includes fairing block. *Using with ST70 requires purchase of ST70 Depth Pod, sold seperately.

B45 Bronze Thru-Hull with Fairing Block - 50/200 kHz - 600W - 9-Pin Connector (xSonic) The B45 is Airmar’s smallest and most economical, dual-frequency, bronze, stem transducer. It features a single, 50/200 kHz ceramic element. The included fairing streamlines the transducer and increases the performance—even at higher speeds. Features The depth and fast-response water-temperature sensing 600 W of power Dual-frequency element: 50 kHz with a wide 45° beamwidth for depth performance to 353 m (1200') 200 kHz with a 12° beamwidth for depth performance to 206 m (700') Excellent performance and sensitivity in a small housing Bronze housing with High-performance Fairing for optimal performance at speed Specifications Acoustic Window: Urethane Cable-Length: 10 m (33') Common Use: Cruising/Racing Sailboats, Leisure/Yachting, Fishing Connector: Simrad 9-Pin, Lowrance 9-Pin, Navico 9-Pin Conventional Beam: 45°/12° Country of Origin: USA Cross Reference: 000-13946-001 Deadrise Range: Up to 28° with fairing Display Connector: 9N Frequency Band: 50/200 kHz Hole Size: 22 mm (7/8") Housing Material: Bronze Hull Material: Fiberglass or wood Max Deadrise: Up to 26° with fairing Max Deadrise Angle: 26° Max Depth: Low frequency- 366 m (1200'), High frequency- 206 m (700') Max Vessel LOA: Up to 9 m (30') Mix and Match Series: 5-Pin 600 Watt Mounting Style: Thru-Hull with Fairing Power Rating: 600 W Sensor Connector: MM Single or Dual Frequency: Conventional Dual Frequency Tilted Element: No Transducer Functions: Depth, Temperature Usable Shaft Length: 92 mm (3.62") Weight: 2.5 kg (5.5 lb.) This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

B785C-M CHIRP Bronze Thru-Hull w/Fairing Block - 600W Features: Thru-hull bronze model with fairing Same physical size as a B744V  600W power rating Depth and fast-response water temperature sensor Available only in the Medium frequency band (M : 80-130kHz) with bare wire cable This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

B45 Bronze Thru-Hull with Depth & Temperature - 8-Pin for Garmin The B45 is Airmar’s smallest, bronze, thru-hull stem, offering quality design at an economical price. The classic housing is streamlined to deflect aerated water from the transducer’s face, providing solid echo returns. Features: Bronze housing Depth and Temperature Recommended for planning-hull powerboats and cruising sailboats up to 9 m (30’) Good sensitivity in a compact housing High-performance fairing included Fast-response water-temperature sensor provides ±0.2°C (±0.1°F) accuracy Specifications: Fits: All Garmin 50/200 kHz units with 8-pin Usable Shaft Length: 92 mm (3.62 in.) Standard fairing block: 33-351-01 Frequency: 50/200 kHz Beamwidth: 50 kHz—45°, 200 kHz—12° RMS Power: 600 W Maximum Depth Range (50 kHz): 235 m to 353 m (800 ft. to 1,200 ft.)  Maximum Depth Range (200 kHz): 118 m to 206 m (400 ft. to 700 ft.) This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

CPT-120 Bronze High Speed Thru Hull Chirp Transducer with Fairing Block Raymarine's exclusive line of DownVision transducers pair a conical CHIRP fishfinding element with a wide beam DownVision element. The result is an unrivaled level of subsurface visibility. Features: MATERIAL: Bronze MAX DEPTH: DV=600/FF=900 FREQUENCY (KHz): Chirp DownVision/DownVision/Fishfinder BEAM WIDTH(L/H): 25° / 60° APPROVED HULL MATERIAL: Fiberglass/Wood CABLE LENGTH: 33ft/10m DEADRISE: 0-25° This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Bronze Broadband Ultra-High Performance Thru-Hull w/ Fairing 1000 Watt Ultra-High Performance "Broadband" bronze through hull transducer with temperature. Includes fairing block (B260) The B260 Broadband offers improved 200Khz performance by reducing transducer "ringing" Compatible with the following Echo Sounders: DSM250 and DSM300 SL Series: SL755RC, SL760RC , SL1250, and SL1250RC hsb2 Plus Series: L755RC, L760, L760RC, L1250,and L1250RC hsb2 HDFI Series: DSM250, L770D, L770DRC, L1260D, and L1260DRC Compatible hull material: wood and fiberglass Max Power: 1000 W Frequency: 200/50 kHz Beam Angles: 200 kHz 6° 50 kHz 19° Cable: 30ft (10m) cable with connector Fairing block included.

Bronze High Performance Thru-Hull w/Fairing 1000 Watt High Performance bronze through hull transducer with temperature. (B258) Fairing block included Compatible with the following Echo Sounders: DSM250 and DSM300 SL Series: SL755RC, SL760RC , SL1250, and SL1250RC hsb2 Plus Series: L755RC, L760, L760RC, L1250,and L1250RC hsb2 HDFI Series: DSM250, L770D, L770DRC, L1260D, and L1260DRC Compatible hull material: wood and fiberglass Max Power: 1000 W Frequency: 200/50 kHz Beam Angles: 200 kHz 15° x 21° 50 kHz 3° x 5° (Elipitical beam measured fore-to-aft and port-to-starboard) Cable: 30ft (10m) cable with connector This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

SI-TEX 496/50/200ST Bronze Thru-Hull Transducer w/ Fairing Block f/ ES502 Dual Frequency 50/200 kHz Max Power: 500W Beam Angle: 42 deg. @ 50 kHz, 12 deg. @ 200 kHz Housing: Bronze Mount: Through Hull Plug: 8 pin Cable: 30' Temp: Yes Speed: Yes For SI-TEX model: ES502

TotalScan Thru Hull Single Fairing Block Replacement fairing block for TotalScan thru hull transducers. Fits both TotalScan M/H and TotalScan L/H thru hull transducers.

StructureScan 3D Thru-Hull Transducer Fairing Block Only Navico's high-performance fairing block gives you greater StructureScan performance at speed.

525TID-BHD Bronze Thru-Hull Transducer with Temp and High-Speed Fairing Block 1kw 50/200 kHz with Diplexer 15x21 degree Beam Angle at 50 khz 3x5 degree Beam Angle at 200 kHz Bronze Thru-Hull with Temperature 10-Pin Connector Ships with High-Speed Fairing Block AIR-033-523 The Clear Choice This new 1 kW transducer makes 600 W fishfinders perform like their more powerful big brothers especially at 50 kHz. The B258 is 25 times more sensitive that a single element 50/200 kHz transducer. How does it do it? The B258 uses Airmars new and unique ceramic-element construction. The resulting narrow beams will clearly distinguish individual fish and bottom fish from their habitat at up to 2,200 feet.  Streamlined Performance Maximize performance by installing the B258 with our custom fit high-performance fairing. At speeds over 30 knots, screen displays show clear images and a clean bottom trace. Supercedes B256 transducer, with significant increase in performance at 50 kHz. Recommended for sport fishing boats above 26' (8m) and small to mid size commercial fishing boats.  Includes temperature sensor  Transducer ID option WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

B744V 600 Watt Bronze thru hull transducer with depth, speed, and temperature. Compatible with the following sounder modules: DSM30 DSM300 Compatible hull material: Wood and fiberglass Max power: 600 W Frequency: 200/50 kHz Cable: 30ft (10m) cable with connector Hole diameter for installation: 2" Other: Self-sealing removable paddle wheel insert. Includes high speed fairing block.

B285M Medium-Frequency CHIRP Transducer with Temperature - Bronze Thru-Hull with High Speed Fairing Block Features: Frequency: Chirp 85 - 135 kHz Power Rating: 1 KW Connector: 10 Pin Fairing Block: High Speed Fairing Block Included This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Raymarine B765LH CHIRP Transducer (Depth and Temperature) The B765LH transducer is a bronze, thru-hull depth and temperature sensor compatible with Raymarine's CP450C ClearPulse CHIRP sonar. It features a depth and fast-response water temperature sensor in a bronze housing with high-performance fairing. The B765LH covers the low-frequency spectrum from 40 kHz to 75 kHz with a beam width of 32 degrees to 21 degrees. It also covers the high-frequency spectrum from 130 kHz to 210 kHz with a beam width of 15 degrees to 9 degrees. The overall bandwidth of this transducer is 115 kHz, and covers the popular fishing frequencies of 50 and 200 kHz plus everything else in the bandwidth. The B765LH is designed to provide all the advantages of the larger thru-hull transducers, in a compact size suitable for smaller boats. The internal array consists of 2 broadband ceramic assemblies for great sensitivity and performance.The B765LH is intended for boats 30-feet in length or longer, with fiberglass or wood hulls.

B45-DT-HB 600W Thru-Hull Transducer w/Fairing Block & Humminbird #9 Connector The B45 is our smallest and most economical, dual-frequency, bronze, stem transducer. Its streamlined shape and High Performance fairing block deflects aerated water from the transducer's face for strong return echoes and clear display images.  Features: Bronze housing Depth and Temperature Recommended for planing-hull powerboats and cruising sailboats up to 9 m (30’) Good sensitivity in a compact housing Fast-response water-temperature sensor provides ±0.2°C (±0.1°F) High-Performance Fairing included Usable Shaft Length: 92 mm (3.62”) Standard fairing block  Frequency: 50/200 kHz Maximum Depth Range: 50 kHz—235 m to 353 m (800’ to 1,200’) 200 kHz—118 m to 206 m (400’ to 700’) Cone: 50 kHz—45°, 200 kHz—12° RMS Power: 600 W This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.