Cannon Digi-Troll Transducer f/Digi-Troll Models 
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Digi-Troll IV Transducer
Provides bottom tracking ability to Digi-Troll IV downriggers. Network up to six downriggers to troll at set distances from the bottom through this single transducer.
Includes mounting bracket and hardware.
Part Number: 1491072
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.