This listing is for a brand new Beckman Coulter BL, Aspiration Pump Assembly CSMS P/N A66204 Hamilton 50737-03. FDA Disclaimer: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 and you are a first time buyer, you must verify your status as an authorized purchaser of this item before item(s) can be shipped.