white to violet Co2 absorbent soda lime for medical use Removes CO2 from breathable gases in: MEDICAL,MILITARY, DIVING,MINING, and SAFETY APPLICATIONS. used to absorb expired CO2 during Anesthesia (in operation theatres). used for removing Carbon Dioxide from oxygen-based metabolism, in estimation respirators, breathing apparatus, diving rebreathers. removes CO2 from manned closed atmospheres, such as submarine, and closed circuit breathing apparatus, such as rebreathers. It is extensively used in navies, for use by divers in submarines.