AirLock modular cleanroom enclosures and other Simplex enclosures help you protect against cross contamination, airborne contaminants, and temperature fluctuations. Create either positive or negative pressure environments, depending on your needs. Achieve up to ISO 4 (Class 10) clean levels. Cleanrooms go together easily with a minimum amount of tools. All Simplex cleanrooms and enclosures are modular and easily expand to meet your needs. Construction is easy with extruded aluminum framing components that assemble easily with a minimum of tools. Choose from both hardwall an softwall insert wall materials.