In accordance with the 2000 Amendment to SOLAS1974,and the international code for fire safety system. Name: Air compressed emergency escape breathing device;According to the volume of air cylinder,there are Two types of this product.Air cylinder volume: 2.2L; 3.2L;Nominal working pressure: 21mpaDuration: 10mins, 15mins;Weight:6kgs,8kgs;Certification : CCS certified according to the IMO.