Refrigerant gas R 404A
For Refrigerant gas R 404A, carrier is USPS; restriction type is restricted; scope is domestic mail (air and surface); conditions is Hazard class 2.2, UN3337, packing group n/a; domestic mail air: 2B; domestic mail surface: 2B, recorded from its source on 2026-08-10.
- Item category
- Refrigerant gas R 404A verified
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail (air and surface) our reading
- Conditions
- Hazard class 2.2, UN3337, packing group n/a; domestic mail air: 2B; domestic mail surface: 2B verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Refrigerant gas R 404A 2.2 UN3337 n/a 2B 2B
— pe.usps.com, retrieved 2026-08-10
Source
- pe.usps.comhttps://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf