Safe-T-Fill® Capillary Blood Collection Tube Blood Gas Tube Sodium Heparin Additive 2.1 X 173 mm 230 µL Without Color Coding Without Closure Plastic Tube

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