Class Biologically Clean is a leading American manufacturer of germ free isolators, flexible film clean rooms, canopies, doors, filters, sterilizing cylinders and all related accessories. For many years gnotobiotic researchers worldwide have relied on CBC products for outstanding performance and protection. If you require an environment free from microbial contamination, class 100 or class 50 is not enough. What is needed is: Class Biologically Clean. Any Questions? We're here to help. Enter Your Question Clean Rooms Germ Free Isolators Air Handling Sterilizing Cylinders Components Contact Us © 1998 Class Biologically Clean, Ltd. All rights reserved.