On April 20, 2022 the FDA granted ACON Laboratories, Inc. a shelf life extension from 12 months to 16 months, for its Flowflex COVID-19 Antigen Home Test, when stored at 36-86°F (2-30°C). The test now has a new expiration date that is 4 months beyond the date printed on the kit box. Please refer to the table below for the new expiration dates.