The 6 foot height makes it a super visible Super Alert Marker: 6' long, (.8m) 5' in diameter
Halcyon Diver Alert Markers feature closed-circuit (one-way valve) construction with Halcyon's patented No-Lock LP (R) connector
Deflate with built in pressure-release-valve.
Inflate at the surface to attract attention
Inflate at depth to send up as a surface marker
All markers are small enough when deflated to fit in a Halcyon thigh pocket or MC Storage Pak
Lifetime warranty on welded seams