Do I have to declare medical oxygen cylinders and concentrators at Australia customs?

Only above the allowance. Up to 5 kilograms of medical oxygen cylinders and concentrators there is nothing to declare; beyond it you take the goods through the red channel and pay the duty.

What happens if I do not declare medical oxygen cylinders and concentrators in Australia?

If you declare the excess yourself, the normal duty becomes payable on the excess. Under Customs Act 1901, if the goods are found without being declared: the goods are confiscated. Under Customs Act 1901, if it is treated as smuggling: an administrative fine is imposed; it is prosecuted as a criminal offence.

Do duty-free purchases count toward the Australia allowance for medical oxygen cylinders and concentrators?

Yes. What you buy in an arrival duty-free shop comes out of the same allowance, so the shop does not add to what you may already be carrying.

Can I post or ship medical oxygen cylinders and concentrators to Australia instead of carrying it?

Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.

Does the Australia limit for medical oxygen cylinders and concentrators apply per person or per family?

Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.

Where does this rule come from?

Australian Border Force (ABF) states it in Medical devices - oxygen. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Cylinders, valves and regulators, where fitted, must be protected from damage that could cause inadvertent release of contents. You must gain approval from your airline before flying.”

How does Australia compare with other countries on medical oxygen cylinders and concentrators?

Of the 20 countries covered here, 1 prohibit medical oxygen cylinders and concentrators, 10 limit it and 9 let it through. Australia is among the ones that set a limit.

How much Medical oxygen cylinders and concentrators can I bring into Australia?

Restricted

You can bring Medical oxygen cylinders and concentrators into Australia only within the stated limits.

Carried Limited

Declaration Above allowance

Limit 5 kilogram

What you need to know

5 kilogram (11.02 lb)
Channels: Carried with the traveler

Important

This allowance applies per person, not per family or group.

Official sources

Last verified 2026-09-19

Medical devices - oxygen Civil Aviation Safety Authority

Questions about Medical oxygen cylinders and concentrators in Australia

How much medical oxygen cylinders and concentrators can I bring into Australia?: Australia allows 5 kilograms of medical oxygen cylinders and concentrators per traveller. Above that the goods are treated as an import and duty becomes payable. The allowance is per traveller and cannot be pooled between people.
Do I have to declare medical oxygen cylinders and concentrators at Australia customs?: Only above the allowance. Up to 5 kilograms of medical oxygen cylinders and concentrators there is nothing to declare; beyond it you take the goods through the red channel and pay the duty.
What happens if I do not declare medical oxygen cylinders and concentrators in Australia?: If you declare the excess yourself, the normal duty becomes payable on the excess. Under Customs Act 1901, if the goods are found without being declared: the goods are confiscated. Under Customs Act 1901, if it is treated as smuggling: an administrative fine is imposed; it is prosecuted as a criminal offence.
Do duty-free purchases count toward the Australia allowance for medical oxygen cylinders and concentrators?: Yes. What you buy in an arrival duty-free shop comes out of the same allowance, so the shop does not add to what you may already be carrying.
Can I post or ship medical oxygen cylinders and concentrators to Australia instead of carrying it?: Not under this allowance. It covers goods a traveller carries; a parcel is an import and is assessed under the postal rules instead. Baggage sent before or after you travels under the same allowance.
Can I take medical oxygen cylinders and concentrators out of Australia?: Australia publishes no separate rule for taking medical oxygen cylinders and concentrators out; the destination's rules are what will apply.
Does the Australia limit for medical oxygen cylinders and concentrators apply per person or per family?: Per person. Each traveller carries their own allowance and it cannot be pooled with anyone else's.
Where does this rule come from?: Australian Border Force (ABF) states it in Medical devices - oxygen. CarryRules last confirmed that sentence at the source on 2026-09-19. The sentence it rests on reads: “Cylinders, valves and regulators, where fitted, must be protected from damage that could cause inadvertent release of contents. You must gain approval from your airline before flying.”
How does Australia compare with other countries on medical oxygen cylinders and concentrators?: Of the 20 countries covered here, 1 prohibit medical oxygen cylinders and concentrators, 10 limit it and 9 let it through. Australia is among the ones that set a limit.

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