Aseptic Enclosures’ HEPAcirc is a general-purpose, plug-and-play, cleanroom grade air purification upgrade system that is suitable for many types of clean processing work. With a simple, clean-build implementation, the system provides an ISO Class 5 (Class 100) or ISO Class 4 (Class 10) clean air environment suitable for cleanroom pharmacy, pharmaceutical operations, and other applications. The built-in, low wall return facilitates cleanroom compliance.