Dive Alert SMB+ Surface Marker Buoy Accessories Freediving Fins #5 YKK Delrin zipper with

#5 YKK Delrin zipper with dam

Quick Buckles

and side-to-side vision

- Hypoallergenic

Available Colors: Black

Dive Alert SMB+ Surface Marker Buoy Accessories Freediving Fins #5 YKK Delrin zipper withThe DiveAlert SMB (surface marker buoy) features Semi Closed Circuit (one way valve) construction, which prevents air spill at the surface. The DiveAlert SMB (surface marker buoy) features Semi Closed Circuit (one way valve) construction, which prevents air spill at the surface. Inflate on the surface to attract visual attention or redundant flotation. Inflate at depth to send up as a surface marker. Solas reflective tape (Coast Guard approved) across