The Ai EasyVac 9 CFM vacuum pumps offer advanced dual-stage operation and are designed for efficiency and quiet performance. Now switchable between 110V/220V and 50/60Hz, these compact pumps are ETL and CE certified, ensuring global compatibility and safety standards. Each pump comes equipped with a KF25 vacuum connector and an exhaust oil mist filter, which not only minimizes noise but also recycles trapped pump oil back into the system. Included with the pump is a FreeKF25 flexible stainless steel bellow, clamps, and centering rings set, adding significant value to your purchase.