Click to expand Tap to zoom 40mm Microhematocrit Capillary Tubes Save $ -21.00 $ 21.00 SKU CNT-ZPC7-40HE 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 40mm microhematocrit capillary tubes for ZipCombo (vial of 200 tubes).