ELSA 2000 10-B. Hooded, Constant flow, 10 minute escape BA to EN1146: 2005, c/w 2 litre, 200bar detachable aluminium cylinder. The constant air flow supply is automatically activated upon opening the bag. Allows refilled cylinders to be fitted on site. (Duration calculated using an average consumption rate of 40Litres per minute). * Please specify whether cylinders are to be supplied FULL or EMPTY. Charged cylinders are classed as hazardous goods & may not be sent via certain types of carriage,