Can I Bring Small Compressed Gas Cartridges on a Plane to United States?
Small Compressed Gas Cartridges
Not Allowed
Prohibited in both
According to TSA guidelines, prohibited everywhere unless empty and visibly open. Empty cylinders must have regulator valve completely removed so TSA can visually confirm empty. Personal medical oxygen cylinders are handled separately.
The final decision rests with the TSA officer on whether an item is allowed through the checkpoint. Official TSA Rules →
Quick Rule
Carry-on Bag
Strictly prohibited
Checked Bag
Strictly prohibited
TSA Notice
Confiscated at security
Source: Official TSA Regulations ↗Updated: May 20, 2026
Also known as
CO2 cartridgegas cartridgecompressed gas cylinderair cartridgesoda maker cartridge
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