Aluminum container for oxygen cylinders. Approved for transport in US airspace. The dangerous goods containers meet the requirements of US regulation HM224B/DOT31 FP [flame resistance and heat resistance according to 49 CFR
173.168) and pass the 280 cycle drop test according to ATA300 Cat 1.
The cases meet the ATA Spec standards: 300, Cat.1, HM224B and DOT31FP.