The VWR Uni-block is an essential tool for any laboratory, designed specifically for 21mm vials. Model 984VWM21MMV offers a reliable and efficient solution for your sample storage needs. This unit is crafted from durable materials, ensuring longevity and stability during use. Its innovative design allows for easy access and organization of vials, making it perfect for high-throughput environments. Whether you’re conducting experiments or storing samples, the VWR Uni-block streamlines your workflow, providing both convenience and efficiency. Elevate your lab experience with this indispensable accessory!