USATCO Supersonic mechanics Air Vacuum. Condition is "Used" There has been a common problem with the bag separating from the housing. Bag is duct taped on & sealed from leakage. Clip on other end of bag is for emptying. These are over new. There are no moving parts to fail. One-inch ID milk hose can be attached to front. Plenty of suction. . Shipped with USPS Priority Mail.