Operating vacuum degree: 0.04-0.05MPa(adjustable). You pay us what you see on the invoice, i. Or replace item for you free of charge.We will reply to you within 48 hours. Please kindly wait for us. The item "USASafty Use Oil-free Vacuum Pump Milker for Cows -Double Tank-Factory Direct" is in sale since Monday, December 11, 2017. This item is in the category "Business & Industrial\Agriculture & Forestry\Livestock Supplies\Cattle - Dairy". The seller is "dentalmedicalmall" and is located in Cranbury, New Jersey. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.