H2Odyssey EAS independent air-source package with S19 cylinder
This package pairs the H2Odyssey EAS regulator arrangement with a Catalina S19 aluminium cylinder. A decant adaptor provides the listed filling accessory.
- Catalina S19 cylinder: 2.7L water capacity.
- Nominal free-gas capacity: 19 cubic feet at the rated fill pressure.
- Cylinder working pressure: 207 bar.
- Piston first stage with two low-pressure and two high-pressure ports.
- On/off valve and designated filling port.
- Swivelling second-stage connection.
- Large purge button.
- Decant filling adaptor included.
The optional pressure gauge is not included. Plan the system, mounting and gas reserve for the intended dive with appropriate training. No fixed emergency breathing duration is implied; consumption changes with depth and workload.

Features and benefits
- The H2Odyssey Emergency Spare Air Dive Tank is ready to use with Nitrox up to 40% and makes a perfect bail-out bottle for scuba dives and hookah diving.
- 2nd stage connection has both a vertical and a horizontal swivel.
- Catalina S19 Cylinder (2.7 litres, 167 cubic ft), 207 bar
- Medical-grade silicone mouthpiece.












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