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Emergency Air Systems

In an out of air emergency there are really only two things that matter — your next breath, and where it's coming from. An emergency air system (bailout bottle, bailout cylinder or emergency gas supply) is a scuba cylinder carried by a scuba diver for use as an emergency supply of breathing gas in the event of a primary gas supply failure. Some also call this a redundant air source.

Choosing among the available emergency air systems is an exercise in trade-offs. Small, compact bailout cylinders are easy to travel with, easy to use, easy to share and they can be stowed almost anywhere. But depending on how deep you are, they may only give you just enough air to kick for the surface or to find that wayward buddy. Bigger emergency air cylinder systems provide more options in that they may allow you to make a slower ascent, but they also take up more space on your gear, are harder to travel with and can create hydrodynamic drag.

The Scuba Doctor dive shop can supply the H2Odyssey Extra Air Source kit solutions, or help you to build a different setup to suit your particular requirements. Maybe you're a hookah diver needing a backup air source, a recreational diver going deeper on a single cylinder and wanting an out of air emergency solution, or a solo diver who needs a redundant air source to stay safe. Whatever you need, we can help you to achieve it.


Catalina S19 Aluminium Cylinder - 2.7 litre (19 cu ft) - 207 bar
Category Path: CYLINDERS TANKS > Aluminium Cylinders

Catalina S19 Aluminium Cylinder - 2.7 litre (19 cu ft) - 207 bar

Catalina S19 (2.7 litre, 19 cubic ft), 207 bar, Aluminium Cylinder with DIN/K Valve. High-grade aluminium is constructed especially to meet...
$448.00
H2Odyssey Extra Air Source with Catalina S19 Cylinder
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Extra Air Source with Catalina S19 Cylinder

This H2Odyssey Extra Air Source (EAS) solution combines a 19 cubic foot capacity Catalina S19 Aluminium Cylinder , with a H2Odyssey EAS2 1st and 2nd...
$937.00  $899.00
Save: (4%)
Catalina S13 Aluminium Cylinder - 1.9 litre (13 cu ft) - 207 bar
Category Path: CYLINDERS TANKS > Aluminium Cylinders

Catalina S13 Aluminium Cylinder - 1.9 litre (13 cu ft) - 207 bar

Catalina S13 (1.9 litre, 13 cubic ft), 207 bar, Aluminium Cylinder with DIN/K Valve. High-grade aluminium constructed especially to meet Australian...
$399.00
H2Odyssey Extra Air Source with Catalina S13 Cylinder
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Extra Air Source with Catalina S13 Cylinder

This H2Odyssey Extra Air Source (EAS) solution combines a 13 cubic foot capacity Catalina S13 Aluminium Cylinder , with a H2Odyssey EAS2 1st and 2nd...
$799.00
Catalina S6 Aluminium Cylinder - 0.9 litre (6 cu ft) - 207 bar
Category Path: CYLINDERS TANKS > Aluminium Cylinders

Catalina S6 Aluminium Cylinder - 0.9 litre (6 cu ft) - 207 bar

Catalina S6 (0.9 litre, 6 cubic ft), 207 bar, Aluminium Cylinder with DIN/K Valve. High grade aluminium constructed especially to meet Australian...

H2Odyssey Extra Air Source with Catalina S6 Cylinder
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Extra Air Source with Catalina S6 Cylinder

This H2Odyssey Extra Air Source (EAS) solution combines a 6 cubic foot capacity Catalina S6 Aluminium Cylinder , with a H2Odyssey EAS2 1st and 2nd...

H2Odyssey Extra Air Source EAS2 Box Set
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Extra Air Source EAS2 Box Set

The H2Odyssey Extra Air Source EAS2 1st Stage Regulator is the basis of a customised emergency air source system. It's for when you're 36 metres (120...
$525.00  $489.00
Save: (7%)
H2Odyssey Extra Air Source FA-1 Yoke Filler Adaptor
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Extra Air Source FA-1 Yoke Filler Adaptor

The H2Odyssey Extra Air Source FA-1 Yoke Filler Adaptor is used when you need to refill your Extra Air Source or Redundant Air System from a scuba...
$129.00  $119.00
Save: (8%)
H2Odyssey Extra Air Source FA-2 Station Filler Adaptor
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Extra Air Source FA-2 Station Filler Adaptor

The H2Odyssey Extra Air Source FA-2 Station Filler Adaptor is used when you need to refill your Extra Air Source or Redundant Air System when you go...
$99.00  $89.00
Save: (10%)
H2Odyssey Holster Bag 13 cu ft Cylinder
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Holster Bag 13 cu ft Cylinder

The H2Odyssey 13 cubic foot Cylinder Holster Bag is the best way to mount your H2Odyssey Extra Air Source system that's using a Catalina 13 cubic...
$45.00
H2Odyssey Holster Bag 19 cu ft Cylinder
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Holster Bag 19 cu ft Cylinder

The H2Odyssey 19 cubic foot Cylinder Holster Bag is the best way to mount your H2Odyssey Extra Air Source system that's using a Catalina 19 cubic...
$49.00

H2Odyssey Quick Release EAS Bag for 6 cu ft Cylinder
Category Path: SAFETY and RESCUE > Rescue / Safety / Signal > Emergency Air Systems

H2Odyssey Quick Release EAS Bag for 6 cu ft Cylinder

The H2Odyssey 6 cu ft Quick Release EAS Bag is the best way to mount your H2Odyssey Extra Air Source system that's using a Catalina 6 cubic foot...
$35.00

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Rye Victoria 3941, Australia
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