Shop Print Media, 92% Polyester / 8% Spandex, Dry Pro™, Submucosal Lifting Agent, 21-1/2 inch Seat Height, 1/2 Inch X 5 Yard, 20 mEq / 1,000 mL, For Calibration Verification and Verification of the Assay Range established by the Elecsys HE4 reagent on the indicated cobas e Immunoassay Analyzers