Vacuum Blood Collection Tube (Sureguard) EDTA K3 5ml Tubes 100's are used for the collection, preservation, and transportation of blood samples in laboratory settings. These tubes contain K3 EDTA, a blood anticoagulant, which prevents blood clotting and is commonly used for hematology tests. Each tube has a 5ml capacity and comes in a pack of 100 tubes. They are designed to provide a secure vacuum seal, ensuring accurate sample collection and preventing contamination or leakage. Suitable for a wide range of diagnostic tests that require whole blood or plasma.