This Signal Buoy (also called DSMB) comes with an opening in the bottom of the tube and a big Duck-bill. This allows diver to inflate by purging air from the regulator. Its unique internal membrane keeps air inside until released by activating the dump valve. In addition to that, this Signal Buoy also can be inflated with an oral inflator.
Details: A must for boat dives
Color: One side high visibility yellow and another side red
Material: 210 Den Nylon
Seapro Surface Marker Buoy Features:
- High quality oral inflator & dump valve
- Bottom opening type with big
- Duck-bill Clip for easy access to BC or etc