The Sterile Vacuum Filtration Unit by Nalgene is a laboratory filtration system designed for sterilizing cell culture media and other sensitive solutions. It features a 0.2-micron pore size membrane, which effectively removes bacteria and spores, ensuring sterile filtration. Utilizing vacuum filtration, it draws liquids through the membrane using negative pressure, providing efficient and reliable filtration. This unit includes a 75mm filter and a 500 mL capacity, making it suitable for various laboratory sterilization applications.