Dive Alert Small Orange Surface Marking Tube w/ Pocket { 3.8 ft | 1.1 m }

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At { 3.8 ft | 1.1 m } long x { 5 in | 13 cm } wide this is the smaller version offered by Dive Alert.

Dive Alert Small Orange Surface Marking Tube w/ Pocket { 3.8 ft | 1.1 m }

Plastic and Steel Tip Options
Plastic and Steel Tip Options Close-Up of Plastic and Steel Tip Options

The DiveAlert SMT features closed construction, which prevents air spill at the surface. Inflate on the surface to attract visual attention or redundant flotation. Inflate at depth to send up as a surface marker.

Coast Guard approved SOLAS reflective tape across the top of SMT creates better visibility day and night. An over pressure valve (OPV) prevents bursting and easy air dumping. At { 3.8 ft | 1.1 m } long by { 5.0 in | 13 cm } wide this is the smaller version offered by Dive Alert.

Made of 400 Denier polyurethane coated nylon, this SMT will last dive after dive without issue. The nylon D-ring on the top allows for attachment of a light or slate, and a stainless steel D-ring at the bottom for attaching a spool or reel. The added pocket can be used as an extra container for a finger spool or to add weight for more stability in rough water.

Inflation of the SMT can be done with a BC inflator hose or by mouth. Available with a plastic or metal tipped inflation tube incorporating a one-way valve. We suggest metal for heavy use or for very cold environments.

Although the marking tube should not be used as a lift bag, for emergency purposes a fully inflated small tube may be considered to have approximately { 8 lb | 3 kg } of lift when completely submerged.

More Information
Weight 0.500000
Size One Size
Brand DiveAlert / Lifeline USA
Tek Tip Warning Image WARNING

This device includes a non-locking hose quick-connect that supports easy and rapid power-inflation at the surface using the standard quick-disconnect low-pressure BC inflator hose. However, there are some safety concerns using that mode for deployment while at depth. Disconnecting the inflator hose from your BC at depth could compromise your buoyancy control in an emergency. Although the inflation connector on the device is non-locking, there is a possibility connectors could jam and fail to easily separate if the connectors are not clean and well maintained. As with any such bag, it is also possible to create enough lift such that it could begin to drag you to the surface if there is any delay in release and the rapid power-inflation feature can reduce the time available before release.

For deployment at depth we suggest using an alternate low-pressure quick-disconnect inflator hose mounted on a stage or bailout bottle, rather than the primary BC inflator hose, for power inflation of this device. If this is your first experience with power-inflation SMB or lift-bag deployment at depth, first practice this type of deployment under controlled conditions.

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