Dropper A1cUse our Dropper A1c for laboratory and point-of-care hemoglobin A1c quality control. Features three years frozen (from date of manufacture) and six months of refrigerated open vial stability for reduced waste plus dropper bottles for easy dispensing. Twenty-one days of open vial room temperature stability eliminates storage problems and provides maximum portability perfect for sites without refrigeration. Designed for use with most major immunoassay laboratory and POCT analyzers including Siemens DCA 2000/2000+/Vantage, Siemens Advia, Siemens Dimension, Roche Cobas 501 and Ortho Vitros.