A Chemical Oxygen self-rescuer, self-contained respiratory protective escape device to be used in the event of toxic gases in a rescue area:

— A double heat exchanger system to reduce the inhalation air temperate to a safe and comfortable level.

— The breathing bag must be antistatic.

— Must be complete with goggles that must provide good all round vision and be a secure fit.

— Should require minimal maintenance.

— A carry case should be included for the storage of the equipment.

— Option for carrying mode on belt or with carrying strap over shoulder.

— Must be small and light weight for ease of carrying.

— Must be easy to use and don.

National Ambulance Service framework for the provision of A Chemical Oxygen self-rescuer, self-contained respiratory protective escape device to be used in the event of toxic gases in a rescue area.