The VUM can be used as a Class 100 (ISO 5) work area and offers the flexibility of unlimited add-ons. The addition of softwall vinyl curtains (optional) can turn your work area into a class 100 (ISO 5) Cleanroom. They can be easily installed over your existing work areas and can be relocated as needed. The VUM features fluorescent lighting, 99.99% efficient HEPA filters and a steel support frame.