Diver’s Alert Marker 4.5′

Diver’s Alert Marker, 4.5′ 1.4m long open bottom
Easily inflated at depth
Diver’s Alert Markers use an integrated over pressure-relief valve, allowing them to be deployed from depth
When deflated, all markers fit in a Halcyon thigh pocket or backplate MC Storage Pak
Big and Super Big Alert Markers are marked with Coast Guard approved SOLAS reflective tape
Halcyon Diver Alert Markers (except semi-closed model) feature our No-Lock connector for oral inflate or LP hose connection
Halcyon offers several Diver Alert Markers in your choice of yellow, shocking pink or orange. These combinations support divers that wish to carry one color to mark position and one to mark emergencies.


Diver’s Alert Marker 4.5′, 1.4m long and open bottom.

Halcyon Diver Alert Markers provide maximum visibility and redundant flotation to support diving safety and peace of mind.
Marker buoys are essential safety equipment in the event of separation from the dive team or surface vessel.

Additional information


Pink, Yellow, Orange, Orange, Pink, Yellow