MINDRAY Microstream CO2 Module 6800-30-50409 The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. Return Policy We are accept return within 30-days from the purchase,