This reagent is intended for use as a wash buffer for Michel's Transport Fluid. Michel's Transport Fluid is intended for use as a transport media of specimens (such as renal biopsies and lymph nodes) for immunofluorescence studies. Samples may remain in media for up to 5 days at room temperature. This reagent is not suitable for transporting live cells for flow cytometry. Prior to processing, specimens should be washed in 3 changes of Michel's Transport Wash Buffer for 10 minutes each.