Humminbird 740178-1NB Humminbird 740178-1NB ICE PTC UNB2 XI 9 1521 FB Portable Ice Case with Chirp Ice Transducer, No Battery Configuration
- ICE Portable Case with Dual Spectrum CHIRP Ice transducer.
- For use with the HELIX 5 CHIRP GPS G2 or HELIX 7 CHIRP GPS G2 only.