Click to expand Tap to zoom HemataCHECK Save $ -173.75 $ 173.75 SKU HEP-CTRL-HMCK HemataCHECK - $ 173.75 HemataCHECK Title 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Micro-Hematocrit controls 6 vials: Low, Medium, and High