Check out this video by Blue Sea Systems demonstrating the VSM 422. The VSM 422 keeps an eye on all your boats critical systems in one convenient display. To learn more about the monitors organizational features watch this video or visit us at http://tinyurl.com/6gjlrbq
How do sail boater that out in open sea know when holding tank get full that they need to come in to dump but need to go bad and darn thing is full.
pantherxx010 8 months ago