5Ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 98Ft Finger Spool Al
High visibility inflatable surface marking buoy signal tube with reflective tape makes sure scuba divers can be seen in open ocean. Scuba Diving Surface Marker Buoy. EASY FILL & STABILITY – SMB (total weight 390 grams) can be filled using the oral inflator, or through the use of a regulator in the open bottom of the SMB.