Discover the convenience of the Labcon VWR Screw-Cap Microcentrifuge Tubes! This pack of 500 features durable tubes with secure screw caps in a vibrant purple color, ensuring a tight seal for your samples. Each tube comes with assorted color-coded inserts, making organization and identification a breeze. Designed for optimal performance in various laboratory applications, these microcentrifuge tubes are perfect for storing and processing biological samples. Whether you're in a research facility or a clinical lab, these tubes provide reliability and ease of use. Elevate your lab experience with Labcon's trusted quality!