Fluid management system includes a control unit configured to be capable of meshing and release the console including a pair of rollers pump head, a disposable cassette which carries the inlet and outlet tubing segment. Console automatically identifies the disposable cassette may metered fluid inflow source. During operation, the system monitors the pressure in the working space, providing inflow and outflow control, it is possible to maintain any desired operating parameters. Console involves a first peristaltic pump rotor and a second peristaltic pump rotor. Disposable cassette includes a housing, located within the housing, when the cassette is mounted on the console, and is configured to engage the first peristaltic pump rotor, a first flexible tube, located within the housing, comprising when the cassette is mounted on the console, and is configured to engage the second peristaltic pump rotor, and a second flexible tube.