The DxH 500 Series Calibrator is a crucial component for ensuring the accuracy and reliability of your hematology analyzer. This product comes in a set of 2 vials, each containing 2ml of calibrator fluid. The calibrator is specifically designed for use with the DxH 500 series of hematology analyzers. Please note that this product is available for shipping only within the Continental US. The minimum expiry lead for this product is 90 days, ensuring you receive a product with maximum shelf life.