---
type: restriction
id: usps-empty-compressed-gas-containers-used
asset: shipping-restrictions-by-class
title: "Empty compressed gas containers — used — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_021.htm
source_quote: "Empty, used containers are mailable under the same restrictions as when filled (because residual amounts of the hazardous material might remain present)."
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Empty compressed gas containers — used"
carrier: "USPS"
restriction_type: "restricted"
scope: "all mail"
conditions: "Mailable under same restrictions as when filled, because residual amounts of hazardous material might remain"
verified: false
unverified_fields: carrier, item_category, scope
---
**Item category:** Empty compressed gas containers — used

**Carrier:** USPS

**Restriction type:** restricted

**Scope:** all mail

**Conditions:** Mailable under same restrictions as when filled, because residual amounts of hazardous material might remain

> Empty, used containers are mailable under the same restrictions as when filled (because residual amounts of the hazardous material might remain present).

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