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 a belt or with carrying strap over the shoulder.

- Must be small and light in 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.