Compatible with almost all kinds of vacuum pump. The milk claw is specially designed for the cow, it is more safe and convenient to use. Food grade special rubber ring for perfect sealing. Transparent bottle with scale line, can see how much milk it is finished.All items are in brand new condition unless specified. 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 "25L Portable Transparent Cow Milker Dairy Milking Machine Bucket Tank Barrel new" is in sale since Thursday, January 3, 2019. This item is in the category "Business & Industrial\Agriculture & Forestry\Livestock Supplies\Dairy Cattle". The seller is "medicalshop888" and is located in Changping District,Beijing,. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.