4.5' (1.4m) Big Closed-Circuit Dam With 40lb (18kg) Lift
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- Easily inflated at depth.
- 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.
- Integrated over pressure-relief valve.