---
type: restriction
id: usps-fire-extinguishers-un1044-division-2-2-nonflammable-compressed-gas
asset: shipping-restrictions-by-class
title: "Fire Extinguishers (UN1044) — Division 2.2 nonflammable compressed gas — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_021.htm
source_quote: "Fire Extinguishers (UN1044): Division 2.2 nonflammable compressed gas. Fire extinguishers that contain nonflammable compressed gas are mailable if they do not contain methyl bromide gas mixtures"
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Fire Extinguishers (UN1044) — Division 2.2 nonflammable compressed gas"
carrier: "USPS"
restriction_type: "restricted"
scope: "domestic mail"
conditions: "Mailable if do not contain methyl bromide gas mixtures, meet DOT container specifications, hold nonflammable/nonpoisonous/noncorrosive gas; only one extinguisher per mailpiece"
verified: true
unverified_fields: carrier, conditions, scope
---
**Item category:** Fire Extinguishers (UN1044) — Division 2.2 nonflammable compressed gas

**Carrier:** USPS

**Restriction type:** restricted

**Scope:** domestic mail

**Conditions:** Mailable if do not contain methyl bromide gas mixtures, meet DOT container specifications, hold nonflammable/nonpoisonous/noncorrosive gas; only one extinguisher per mailpiece

> Fire Extinguishers (UN1044): Division 2.2 nonflammable compressed gas. Fire extinguishers that contain nonflammable compressed gas are mailable if they do not contain methyl bromide gas mixtures

Source: <https://pe.usps.com/text/pub52/pub52c3_021.htm>