Elsa Spring-10-B. Positive pressure, 10 minute escape BA, c/w orange bag mounted 2 litre, 200bar aluminium cylinder, automatic positive pressure demand valve & neoprene face mask. Weight 4.5kg. 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, please chec