Introducing the Thermo Scientific VWR 4 mL Screw-Thread Vials (Model: V73804A-13425). Designed for precision and reliability, these vials are perfect for storing samples in laboratories. Each vial features a 13-425 screw-thread closure, ensuring a secure seal to prevent contamination. Made from high-quality materials, they are compatible with various analytical techniques. The vials come in a convenient pack of 100, making them ideal for both small and large-scale applications. Whether you're working with chemicals, biological samples, or pharmaceuticals, these vials provide the durability and performance you need.