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No—filled CO₂ cartridges are banned from checked bags; only empty cylinders or those installed in an approved life vest may fly. Why CO₂ Cartridges Raise Red Flags Those palm‑sized metal tubes pack up to 900 psi of pressure. Change cabin temperature or puncture one mid‑flight and the cartridge can rupture or rocket around the hold. For […]

Yes, a CPAP machine can go in your carry‑on; it’s classified as a medical device allowed on board and doesn’t count toward your carry‑on limit. CPAP machines are allowed in airplane cabins and the Department of Transportation (DOT) protects your right to fly with a CPAP and even use it during flight. Airlines treat CPAPs