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A system intended to provide full life support to spacecraft and surface vehicles of the Colonial Pact. It is paired with a powerful NBC capacity able to detect, filter, and even neutralize contaminant in a platform's atmosphere. However the device's primary role remains to act as the means of keeping the atmosphere inside a starcraft or vehicle breathable whether or not its inside a hospitable atmosphere. As a standard type the number of people it can support are variable to the platform and size of the device being employed.
'CLSS' type systems are primarily used on Colonial Pact Trade Alliance military, civil security, and commercial craft and platforms. However life support systems of this type are often provided to client states or trusted private interests.