Test strips suitable for BeneCheck Hemoglobin/Hematocrit meter. Test strips are packaged 2x25 piece box. Life time is marked on the package side and is still 3-4 months after the last use time. In the package comes a test strip that works with Hemoglobin meter and calibration test strip and has the same number with in the strips than on the package. Note! Different serial numbers of the test strip may not be used with different strips.