surface marker buoy - SMB 9" X 6'

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Surface marker buoy (SMB) shows that a diver is down and alerts the surface to exactly where you are in the water. They float at the surface of the water and can be seen either fro m the shore or the boat (depending on where you’re diving from). They can be extremely useful in locations with heavy boat traffic. SMB 9" X 6' DUMP Show more