Vexilar
Vexilar flasher units have been in use since 1960. It is a small fish finding unit that uses a series of flashes to detect fish and other objects in the water. There are several different models of the unit. The different models are the FL-8, and the FL-18 with several variations to each of them. Vexilar also produces many other types of equipment including a small clear tube that when lowered to the bottom of a lake, it will tell the depth and the temperature at that depth. Vexilar has come a long way in the past 45 years and will probably continue to expand on their vast company.
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