RESPIRONICS COUGH ASSIST CA-3000 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 30 Day Return Policy. Customer must pay the return shipping costs when returning a product. We are accept return within 30-days from the purchase,