100% plastic tubes collect microliter volume capillary blood samples from finger and heel sticks
Replaces glass Natelson
Caraway
or mylar-coated glass microhematocrit capillary tubes
Blood samples are drawn into the capillary tube through the same capillary action as glass without the risk of breakage
Microhematocrit capillary tubes are untreated
Microhematocrit capillary tubes are also available coated with anticoagulant Ammonium Heparin or Sodium Heparin (Red Marking) to prevent clotting
A complete end-to-end fill of the capillary tube accurately measures the stated fill volume
Color-coded tip red/blue marking to designate whether additive is present in the capillary tube
Packaging labels are marked with Lot Number and Expiration Date
