b   i   o   B   u   b   b   l   e   ® SOFTWALL ENCLOSURES Negative Pressure bioBubble® Enclosures utilizing negative pressure. can also be used for containment. In the following image, note the deflation of the Clean Room. In this room, the Power Unit has been internalized and is able to provide 100 HEPA filtered air changes of exhaust per hour. Negative pressure bioBubble® Enclosures provide an extremely light and affordable means of minimizing exposure to the environment and personnel, and have the ability to go to P4 or BSL-4 containment. Cost: Call for Quote Products | Facility Design | Testing and Publications | A-Z | Product Manuals | Contact Us Copyright © 2007, bioBubble®, Inc.