Cold Nation Outdoors Ice Defense Pro Series keeps holes fishable when brutal cold locks everything else up, helping ice anglers stay focused on panfish, walleye, pike, and trout instead of chipping ice. The system mounts directly to 12-volt sonar, flasher, or camera setups and gently circulates warmer water from below the ice to slow freeze-over at the surface. Flow stays slow enough to avoid disturbing lines, baits, or transducers, making it well-suited for active hole hopping and bucket-style fishing. With minimal battery draw and broad compatibility, Ice Defense Pro supports long days on the ice even when temps push past -20°F.


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