This pump should be equipped with a motor, so you should prepare it by yourself. This pump forbid reverse turn. Feedback is very important to us. It is impossible to address issues if we do not know about them!Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday. The item "Vacuum Pump For Cow Milking Machine Milker Bucket Tank 250 L/min Stainless Steel" is in sale since Thursday, August 12, 2021. This item is in the category "Business & Industrial\Agriculture & Forestry\Livestock Supplies\Dairy Cattle". The seller is "nanhaipuruite-8" and is located in Chino, California. This item can be shipped to United States.