OMS Alert Marker, Orange 3.3‘ long (1 meter) Closed Bottom Adaptors Environmentally Sealed diaphragm – cold

Environmentally Sealed diaphragm – cold water ready

Graphite stick pencil included

simply roll the bag up and stow it again for your next dive

Yoke and M26 Thread available

High performance over-balanced first stage provides progressively greater intermediate pressure as depth and gas density increases for superior gas delivery under the most extreme conditions

OMS Alert Marker, Orange 3.3‘ long (1 meter) Closed Bottom Adaptors Environmentally Sealed diaphragm – coldThe SMB Closed 3. 3 from OMS is a closed bottom surface marker buoy that can be inflated orally or with your inflator dry suit quick disconnect hose. Comes in orange or yellow and is 1 meter long.