Can I Bring CO2 Cartridge on a Plane to United States?
CO2 Cartridge
Not Allowed
Prohibited in both
According to TSA guidelines, except for personal medical oxygen cylinders, you can only carry an EMPTY compressed gas cylinder onboard a plane. To be permitted (in either carry-on or checked baggage), it must be clearly visible to the TSA officer that the cylinder is empty.
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
Accurate
Information from official airline & aviation sources
Fast
Get answers in seconds
Global
Integrating new airline guidelines and regional rules
Trusted
Used by travelers worldwide
More Chemicals & Hazmat
View all →
Aerosol Insecticide
Carry-on
Not PermittedChecked
Restrictions Apply
Bang Snaps
Carry-on
Not PermittedChecked
Not Permitted
Bear Bangers
Carry-on
Not PermittedChecked
Not Permitted
Bear spray
Carry-on
Not PermittedChecked
Not Permitted
Blasting Caps
Carry-on
Not PermittedChecked
Not Permitted
Butane
Carry-on
Not PermittedChecked
Not Permitted