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RAM Scientific Safe-T-Fill™ Capillary Blood Collection Systems: Serum

No “scooping” needed, allowing for high-quality, tissue-free samples

Supplier:  RAM Scientific 07 7150

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Catalog No. 14-915-56

Due to product restrictions, please to purchase or view availability for this product.

Includes: Pre-assembled capillary blood collection device with a capillary tube, attached pierceable cap, and a microtube



 Blood samples are drawn into the SAFE-T-FILL™ Plastic Micro Capillary Blood Collection Tubes through capillary action, reducing hemolysis, tissue contamination, and re-draws. No "scooping" or "milking" required. Coated with a clotting activator for serum determinations in chemistry.

  • 100% plastic tubes collect microliter volume capillary blood samples from finger and heel sticks
  • Blood samples are drawn into the microtube through capillary action, reducing hemolysis, tissue contamination, and re-draws. No "scooping" or "milking" required
  • Capillary straw and microtube are coated with anticoagulant Lithium Heparin (Green cap) to prevent clotting
  • Attached cap is color-coded to designate the type of additive that is in both the capillary tube and the microtube
  • Lot Number, Expiration Date, and fill lines are printed directly on the microtube
  • A complete end-to-end fill of the capillary tube accurately measures the stated fill volume
  • For plasma determinations in chemistry
  • Optional gel separator serves as a barrier between blood and serum after centrifugation
  • Available in a variety of sizes and draw volumes, with or without gel separator
  • Optional amber microtube ensures light-sensitive sample integrity providing protection for testing (ex. Bilirubin)

Recommended Storage

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



Clot Activator
Standard Pierceable Cap
Intended for chemistry determinations that require serum or clotted blood samples.
Chemistry/Serum Tube
200 μL
Serum Gel Capillary Collection


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