This BD 4ml EDTA Lavender 3mL Tubes are a great choice for storing and collecting samples in the medical and healthcare setting. The lavender top tubes are made from polypropylene and feature a vacuum-tight seal for reliable sample collection. They are also pre-filled with 5.4 EDTA anticoagulant for added convenience. The tubes are ideal for use in hematology, chemistry, coagulation and immunology applications. The tubes are lightweight and easy to transport and store.