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H2Odyssey Emergency Spare Air | S19 Cylinder

H2Odyssey Extra Air Source EAS2 Australia

H2Odyssey Emergency Spare Air | S19 Cylinder

Name: H2Odyssey Emergency Spare Air | S19 Cylinder
Brand: Apollo
SKU: RE10039
Availability: InStock

$799.00 inc. GST

The H2Odyssey EAS package combines an independent regulator assembly with a Catalina S19 cylinder and decant filling adaptor. The cylinder has a 2.7L water capacity and a 207 bar working pressure. The optional pressure gauge is not included; configure and use the system with appropriate training.

Colour: Silver / Yellow

SKU: RE10039

1 in stock

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Price for all three: $952.95

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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.

Catalina SCUBA Cylinders Size Chart

Technical Specs

H2Odyssey Emergency Spare Air | S19 Cylinder technical specifications
Brand	Apollo
Main model / configuration	H2Odyssey Emergency Spare Air \| S19 Cylinder
Product type	Accessory

Additional specifications

Cylinder dimensions	Height 435 mm, Diamiter 111 mm

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.
Piston 1st stage.
High-performance piston 1st stage.
2 x LP and 2 x HP ports.
Designated cylinder filling port.
2nd stage connection has both a vertical and a horizontal swivel.
Medical-grade silicone mouthpiece.
Large "sweet-spot" purge button.
Catalina S19 Cylinder (2.7 litres, 167 cubic ft), 207 bar

We dispatch orders five days a week, usually within 1–3 days. Standard mainland Australian shipping is $20. Click & Collect from our Hallam store is free once your order is ready.

Large or bulky gear: additional freight charges apply on top of standard shipping: large dive bags $30; long freediving fins $15; long spearguns $20. Scuba tank freight is shown at checkout.
Rural, remote & offshore: rural means anywhere outside metropolitan areas. Carrier availability and additional charges may apply, including for island and territory destinations. Our team will contact you if an extra freight quote is needed.

The available delivery rate for your order is shown at checkout.

Read our full shipping and delivery information →

We offer a 30-day exchange on most unused products within Australia when they are in saleable condition with their original packaging and accessories. Please contact us with your order number before returning an item. Change-of-mind refunds are not offered; this does not limit your rights for faulty products under Australian Consumer Law.

Read our full returns and exchanges policy →

FREE CLICK & COLLECT
Usually ready same day*

Select local pickup at checkout. We will email you when your order is ready. Please wait for your ready-to-collect confirmation before visiting, then bring your confirmation email and photo ID.

Collect from our Hallam store
Factory 4 / 56–60 Hallam South Rd
Hallam VIC 3803

*For items in stock at our Hallam store during opening hours, subject to order processing. Available-to-order and special-order items take longer. Collection is unavailable while the store is closed.

View collection details and opening hours →

Can I collect my order from the store?

Yes. Choose free local pickup at checkout and wait for your ready-to-collect email before visiting our Hallam store. Bring your confirmation and photo ID. See Click & Collect details.

How do I choose the right size?

Use the product's size chart where available and compare your measurements with the guide for that brand. Sizing varies between brands and products. If you are unsure, contact our team before ordering and we can help you choose.

How do I check availability?

Select your required options, such as colour and size, to see availability for that variation. If an item is marked “Available to order”, check the estimated dispatch information. Please contact us before ordering if you need gear by a particular date.

When will my order be dispatched?

Orders are usually dispatched within 1–3 days, subject to stock availability. Available-to-order and special-order products may take longer. Delivery time is separate from dispatch time and depends on your location and the carrier. Read our shipping information.

Can I exchange an item if it does not fit?

We offer a 30-day exchange policy on most unused products within Australia, subject to eligibility. Contact us with your order number before returning an item. Read the exchange conditions and next steps.

Can you help me choose the right gear?

Yes. Call 03 9702 3694 during store hours or email [email protected]. Tell us which product you are considering and how you plan to use it.

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