3Cfm Rotary Vane Vacuum Pump 110V For Hvac/Auto Ac R410A, Medical Or Milking Product Features 3 CFM Vacuum Pump: FAHKNS vacuum pump adopts a direct-connected motor structure, which makes the structure more compact, smaller in size, lighter in weight and easy to carry.Suit for those who are looking to self diagnose or recharging AC systems; It maintains air conditioning systems by efficient removing moisture before refilling the refrigerant Anti-returning Oil Design: The inlet channel is specially designed to prevent the pump oil from flowing back and polluting the pumped container and pipeline after stopping the pump,With 1/4"Inlet Port, the maximum capacity of the pump is 200ML, and we will offer a bottle of 220ml vacuum pump oil as a test. All Copper Motor: All-copper movement is better than aluminum wire, the vacuum pump has a longer service life and faster running speed. Strong copper motor makes the machine vacuum, to ensure stable operation of the machine, energy saving and power saving Powerful Features:Strong heat dissipation, low noise, strong power, anti-reflux Forced Cooling: The wind page at the end of the machine intervenes to reduce the heat generated when the machine is running, ensuring the smooth operation of the machine and making the machine last longer Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!