Safe-T-Fill Capillary Blood Collection Tube Sodium Heparin Additive 230 L Without Closure Plastic Tube

• 100% plastic tubes collect microliter volume capillary blood samples from finger and heel sticks
• Replaces glass Natelson, Caraway, or mylar-coated glass blood gas capillary tubes
• Blood samples are drawn into the capillary tube through the same capillary action as glass without the risk of breakage
• Capillary tubes are coated with anticoagulant Sodium Heparin to prevent clotting
• Capillary tubes are also available untreated or coated with anticoagulant Balanced Heparin to prevent clotting
• A complete end-to-end fill of the capillary tube accurately measures the stated fill volume
• Packaging labels are marked with Lot Number and Expiration Date
• Optional end caps minimize the risk of blood spillage and allow for easier handling
• Optional mixing fleas and magnetic rings allow for uniform mixing to prevent clotting

Product Specifications