Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearV CHIRP 500W, 260 455kHz [010-01962-00] Brand_PSS Shaft Seal flat surface with this suction

flat surface with this suction cup

improving reserve power performance & extending battery life

Drum Diameter D (in) - 3 7/16

Length - 6 19/64" (160mm)

Manual Override switch with On-indicating LED provides visual indication pump is running

Garmin GT21-TM Transom Mount Transducer, Traditional 600W, 50/200kHz, ClearV CHIRP 500W, 260 455kHz [010-01962-00] Brand_PSS Shaft Seal flat surface with this suctionGT21 TM Transom Mount Transducer, Traditional 600W, 50 200kHz, ClearV CHIRP 500W, 260 & 455kHz Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearV scanning sonar. This transom mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below the boat. The CHIRP ClearV element has a power rating of 500W and operating frequencies of 260 455