Operating Vacuum Degree :0.04-0.05MPa (adjustable). FDA declaration: The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. All of our products are CE approved. Please kindly check the copy of the certificate in the listing below. The item "USA25L Electric Milking Milker farm Cattle Cow Bucket Cattle Dairy Machine" is in sale since Tuesday, December 11, 2018. This item is in the category "Business & Industrial\Agriculture & Forestry\Livestock Supplies\Dairy Cattle". The seller is "sinoshine016" and is located in Los Angeles.