A-2 Inflatable Marker Buoy Red - Cavanagh Nets A-2 Polyform
JZLiner DSMB 6ft Surface Marker Buoy with 100ft Finger Coil Roll Diver Bottom Signal Flag Pipe Diving Equipment Open Bottom Set (6ft) : Amazon.de: Sports & Outdoors
Marker Buoys are designed to mark the presence of the pipelin | Floatex srl - Italy