Very popular delayed SMB. Usually inflated prior to leaving the bottom, allowing air expansion to fully inflate the SMB on its assent.

A large capacity delayed SMB when fully inflated will support diver during decompression.

Specification
Manufactured in the same material and to the size of Dive Mark SMBs. Open ended with a throat restriction at the bottom of the tube, this restricts the air from escaping should the line be released. A Velcro strap retains SMB when rolled up prior to deployment.

The JR Delayed Mark will provide up to 15-16 Kgs. of positive buoyancy at the surface.

Approx. size: 1450 mm long x 200 mm dia.

JR Delayed Mark SMB with Dump

Identical specification as the JR Delayed Mark but with self seal internal valve. Inflate at depth the SMB will fill on its assent.

* A pressure relief/dump valve prevents bursting.
* Highly visible fluorescent orange & yellow
* Large capacity providing 15-16 Kgs lift at the surface
* Large open end for ease of filling
* Fixed Velcro strap on hanger retains SMB when rolled up prior to use