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RAM Scientific Safe-T-Fill™ Plastic Hematocrit Capillaries

100% plastic—no glass to break

Supplier:  RAM Scientific 06 0507

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Catalog No. 14-915-82

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Blood samples are drawn into the SAFE-T-FILL™ Plastic Microhematocrit Capillary Tubes through the same capillary action as glass without the risk of breakage.

  • 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 available untreated or heparinized
  • 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

Recommended Storage

Store at room temperature. Keep dry. Keep away from sunlight.



Clear with Red Mark
Intended for microhematocrit determinations (volume of red blood cells/PCV) and coated with Ammonium Heparin anticoagulant to prevent clotting.
2.95 in.
Heparinized Non-sterile Microhematocrit Tube
50 μL
7.5 cm


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