carbon cartridge for the arva reactor airbag system. extremely light carbon fibre wrapping. in accordance with iso11119-3 and international air transport association (iata table 2.3.a) regulation for baggage carried by passengers. the cylinders are made with high-quality materials and are designed to withstand over 300 bars (4351 psi) of internal pressure. the cylinders are single-use and can only be refilled by arva.