Discover the convenience of the Thermo Scientific VWR 4 mL Screw-Thread Vials (VW60881A-1545). These clear vials come in preassembled kits, making them perfect for your laboratory needs. Each vial is designed for secure sealing, ensuring sample integrity and preventing contamination. With a capacity of 4 mL, they are ideal for storing a variety of liquids, from solvents to biological samples. Their durable construction guarantees reliability, while the screw-thread design allows for easy access and secure closure. Elevate your lab efficiency with these essential vials!