# Fire extinguishers containing compressed or liquified gas — Postal shipping restrictions by item category

For Fire extinguishers containing compressed or liquified gas, carrier is USPS; restriction type is restricted; scope is domestic mail (air and surface); conditions is Hazard class 2.2, UN1044, packing group n/a; domestic mail air: 2C; domestic mail surface: 2C, recorded from its source on 2026-08-10.

- **Item category:** Fire extinguishers containing compressed or liquified gas _(verified: appears in the quote below)_
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** domestic mail (air and surface) _(our reading, not quoted from the source)_
- **Conditions:** Hazard class 2.2, UN1044, packing group n/a; domestic mail air: 2C; domestic mail surface: 2C _(verified: appears in the quote below)_

## What the source says

> Fire extinguishers containing compressed or liquified gas 2.2 UN1044 n/a 2C 2C

## Source

- https://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).