This product is either discontinued or we cannot get that from suppliers.
Garmin 010-10218-21 Airmar P19 (12 Degree Tilt), Frequency: 77/200 kHz, Power: 500 W, Beamwidth: 45°/15°, Maximum depth: 900 ft., Depth/Speed/Temperature: Depth and Temperature, Number of pins: 8-pin, Cable length: 30 ft., Supported deadrise/Transom angles: 8°-15° degree deadrise.
This plastic thru-hull mount transducer performs well at high speeds and is an excellent choice for fiberglass and metal hulls.